CBSE XII Science Chemistry Solutions
numerical question
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28th February 2008
9:46 AM
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CBSE XII Science Chemistry Solutions
which one is more concentrated 1M or 1m of solution? give reason.
Asked by gargimoitreyee
23rd March 2018
1:07 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
How many grams of hydrogen chloride,HCL are required to prepare 4 Litre of 5M HCL in water
Asked by nishtha02082002
23rd April 2018
12:13 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Dissolving 120g of urea in 1000g of water gave a solution of density 1.12 g/ml . The molarity of solution is ?
Asked by arunavamitra50
5th May 2018
8:35 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate molarity of 90% (W/V) H2SO4 having density 1.98g/ml.
Asked by arunavamitra50
9th May 2018
6:39 PM
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CBSE XII Science Chemistry Solutions
Calculate the number of moles of methhanol in 5L of its 2m solution if the density of solution is 0.981Kg/L
Asked by pardeepkumar2281
13th May 2018
8:06 AM
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CBSE XII Science Chemistry Solutions
The density of 10% by mass of KCl solution is 1.06g/cm-3. Calculate the MOLARITY and MOLALITY of the solution
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13th May 2018
8:10 AM
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NEET1 NEET1 Chemistry
Review the equation :- MnO2 + 2NaCl + 3H2SO4 → MnSO4 + 2NaHSO4 + Cl2 + 2H2O In order to get 4.48 litre of Cl2 at NTP what volume of 18M H2SO4 is needed :-
Asked by Atulcaald
15th May 2018
12:58 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
6.02 * 10ki power 20 molecules of urea are presentin 100ml of solution the concentration of urea solution is
Asked by puneetgarg2555
22nd May 2018
7:16 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the number of sulphate ions in 100mL of 0.001M H2SO4 solution. . Concentration of glucose in blood is approximately 90 mg / 100 ml. Find the molarity of glucose solution in blood .
Asked by tps.mjmdr
29th May 2018
8:07 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A solution of glucose in water is labelled as 10% (w/w). The density of the solution is 1.20 g/mL. Calculate molality, molarity and mole fraction of each component in solution A solution of glucose in water is labelled as 10% (w/w). The density of the solution is 1.20 g/mL. Calculate molality, molarity and mole fraction of each component in solution
Asked by tps.mjmdr
29th May 2018
8:08 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
equal moles of water and NaCl are present in a solution hence molarity of NaCl solution is?
Asked by arup.isro
4th June 2018
8:04 PM
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JEE Plances JEE (Main) Chemistry
molarity of HCl solution which is 1.825% (w/v) is?
Asked by arup.isro
4th June 2018
8:05 PM
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JEE Plances JEE (Main) Chemistry
how many grams of sodium dichromate should be added to a 50ml volumetric flask to prepare 0.025molar sodium dichromate when the flask is filled to mark with water please also let me know the volume of vulumetric flask.
Asked by arup.isro
4th June 2018
8:08 PM
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JEE Plances JEE (Main) Chemistry Some Basic Principles of Organic Chemistry
In 200ml, 0.5molar solution of HNO3, 200ml of 0.1molar NaCl is added. Find molarity of both the solutes
Asked by arup.isro
9th June 2018
4:03 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
in chemistry laboratory 10 %by mass of sulphuric acid is used. if the density of the solution is 1.8g /cm cube. then find the molality
Asked by shaileshbhagat82816
5th July 2018
7:24 AM
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JEE Plances JEE (Main) Chemistry Solutions and Colligative Properties
25g of NaOH is dissolved in 50 mL of water. The morality of the solution is-
Asked by sakshisingh3124
7th July 2018
11:43 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Answer question no. 9 and question no. 11.
Asked by tps.mjmdr
10th July 2018
10:27 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Excess of NaOH (aq) was added to 100 mL of FeCl3 (aq) resulting into 2.14 g of Fe(OH)3 . The molarity of FeCl3 (aq) is : (Given molar mass of Fe=56 g mol−1 and molar mass of Cl=35.5 g mol−1 )
Asked by kmondaldgms
23rd August 2018
11:04 PM
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CBSE XII Science Chemistry Solutions
The mole fraction of a very dilute aqueous solution is 0.05. Calculate the molarity of the solution.
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29th August 2018
8:06 PM
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CBSE XII Science Chemistry Solutions
An aqueous solution of urea had a freezong point of -0.40 celsius. Calculate the osmostic pressure of the same solution at 37 C. Asume that the molarity and molality are numerically equal.
Asked by lekhakarthikeyan
29th August 2018
8:08 PM
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CBSE XI Science Chemistry Equilibrium
Please solve this question
Asked by vikasg13.hardware
4th September 2018
8:32 AM
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NEET1 NEET1 Chemistry Solutions
18%(w/V) solution of urea (mol.wt=60) is
Asked by priya47
28th September 2018
6:12 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
How to find Molality of pure water ? Pls explain step by step
Asked by govtsecschoolnayaganv051
16th January 2019
8:52 PM
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JEE Main Chemistry Solutions
1.101 ques
Asked by lovemaan5500
30th January 2019
11:59 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Find the molality of 98%(m/v) of H2SO4 solution.density of solution is 1.98g/cc
Asked by Sunita
28th March 2019
9:27 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
Asked by pb_ckt
28th April 2019
1:37 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
250 ml of Na2CO3 sol. contains 2.65 g of Na2CO3. If 10 ml of this solution is diluted to one litre what is the concentration of the resultant solution? In a gas S and O are 50% by mass,their mole ratio is ____.
Asked by vijaygireesh
4th May 2019
7:42 PM
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JEE Main Chemistry Some Basic Concepts in Chemistry
2.05 molarity acetic acid solution is having density 1.02g/cm3. Find molality of the solution if molecular mass of the acetic acid is 60g.
Asked by defence
9th May 2019
9:28 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve.
Asked by pb_ckt
18th May 2019
11:05 PM
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CBSE XII Science Chemistry Surface Chemistry
Pls solv follin
Asked by ntg432000
22nd May 2019
8:10 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
342g of 20% by mass of b a Ba(OH)2 solution (sp. gr.=0.57) is reacted with 1200 mL of 2M HNO3. If the final density of solution is same as pure water then molarity of the iron in resulting solution which decides the nature of the above solution is— (1)0.25M,(2)0.5M,(3)0.888M,(4)none of these.
Asked by patra04011965
24th May 2019
8:52 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the number of Cl- ion in 100 ml of the solution which is formed by mixing of 200 ml of 2M NaCl(aq) , 800 ml 1M MgCl2 (aq) solution and 1 litre 5.3× 10^ -4 M CCl4 (aq) solution ?
Asked by arunavamitra50
29th May 2019
12:42 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the no.of sulphate ions in 100ml of 0.001M H2SO4 soln.
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29th May 2019
11:36 PM
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CBSE XI Science Chemistry Equilibrium
doubt
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30th May 2019
9:19 AM
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JEE Main Chemistry Some Basic Concepts in Chemistry
plz solve....it is from double titration
Asked by Dev
2nd June 2019
11:14 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
In aqueous solution of Urea is 20% by mass of solution. molarity of the solution when density of the solution is 1.2 gram per ml is
Asked by arushidabhade
7th June 2019
6:04 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
122.5 g of h2so4 are dissolved in water to make 1250 ml of solution. the concentration in normality is
Asked by Roopam
12th June 2019
5:39 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
the volume of 0.5 molars NaOH solution required for complete neutralization of 3.65 gram HCl is
Asked by kushagra28feb
13th June 2019
10:09 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
0.4 M, 100 ml solution of NaCl is diluted 1000 ml the molarity of the resultant solution is
Asked by arushidabhade
29th June 2019
5:39 PM
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NEET NEET Chemistry Solutions
Calculate the normality of 250 mL aqueous solution of H2SO4 having pH -0.0 (a)0.25 N (b)0.50 N (c)1 N (d)2 N
Asked by Balbir
9th July 2019
10:25 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
How would you make up 425ml of 0.15M HNO3 from nitric acid that is 68% HNO3 ? The density of 68% HNO3 is 1.41g/ml.
Asked by kumar19raj98
25th July 2019
10:41 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
8 gram NaOH ne pani ma ogali 250 mili dravan banavama avyu che.aa dravan ne 500 mili banavva pani umeri mand karvama ave che.aa mand dravan ma NaOH na mol ane molarity ketly hase?
Asked by nirdeshpatel2603
7th August 2019
1:35 AM
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CBSE XII Science Chemistry Electrochemistry
Plz answer 3.14
Asked by lovemaan5500
13th August 2019
5:47 PM
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CBSE XII Science Chemistry Electrochemistry
3.71 plz
Asked by lovemaan5500
19th August 2019
11:13 PM
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CBSE XII Science Chemistry Solutions
concentrated nitric acid used in the laboratory work is 68% nitric acid by mass in aqua solution what should be the molarity of such example of the acid if the density of the solution is 1.504 grams mL^-1
Asked by amzad739635
23rd August 2019
10:10 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
How many gram of concentrate nitric acid solution should be used to prepare 250 ml of 2.0 M HNO3.The concerned acid is 70% HNO3.
Asked by roybishnu
31st August 2019
1:06 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
98%H2SO4 soln by mass and has a density Of 1.8 g/ml . Volume Of acid reqd. to make 1lt Of 0.1M H2SO4 soln is-
Asked by harshit.baruah123
1st September 2019
1:32 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
please answer this
Asked by Prashant DIGHE
6th January 2020
9:56 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Chemistry
Asked by achamerahul2
18th April 2020
11:09 PM
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CBSE XII Science Chemistry Solutions
How many gram of concentrated nitric acid solution should be used to prepare 500 ml of 2.0 M HNO3? The concentrated acid is 70 % HNO3. 1) 45.0 g conc. HNO3 2) 90.0 g conc. HNO3 3) 70.0 g conc. HNO3 4) 50.0 g conc. HNO3
Asked by okvgom
22nd April 2020
12:18 PM
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CBSE XII Science Chemistry Solutions
find the molarity of 20% w/w NaOH
Asked by shipra015
8th May 2020
12:48 AM
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NEET NEET Chemistry Solutions
On decreasing sodium which one of these will be true ? 1. osmolarity will decrease 2. osmolality will decrease 3. both will decrease
Asked by astutijoshi
8th May 2020
3:25 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
50 ml of 0.1 (M) H2SO4 is mixed with 150 ml of 0.2 (M) NaOH solution, the resulting solution is (A) Acidic, (N/5) (B) Basic, (N/5) (C) Basic, 0.075 (M) (D) Basic,(N/10)
Asked by debjit_dm
17th May 2020
10:59 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Why is 'Molarity wrt H+ ion'= 'Normality of the Acid' ??
Asked by drhimasingh
22nd May 2020
5:57 PM
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CBSE XII Science Chemistry Solutions
What is molarity
Asked by kiransarkaria
30th May 2020
4:09 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
Calculate the minority of 90% (wt/v) H2SO4 having density 1.98g/mol
Asked by Gurdev71
24th June 2020
12:41 PM
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CBSE XII Science Chemistry Solutions
The solution of substance are mixed in following manner 480ml of 1.5M of 1st solution and 520ml of 1.2M of 2nd solution. What is the molarity of final mixture.
Asked by Pv808415
8th July 2020
2:44 AM
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CBSE XII Science Chemistry Solutions
How many grams of NaOH will be needed to prepare 250ml of 0.1M solution
Asked by teenpreneur22
25th August 2020
8:24 AM
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CBSE XII Science Chemistry Solutions
calculate the molarity of a solution containing 5g of NaOH in 450ml solution
Asked by siddhaashu8
12th September 2020
6:11 PM
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CBSE XII Science Chemistry Solutions
Find the molarity of 5m NaOH solution haveing 1.5gm)ml
Asked by 01abhishek072005
18th September 2020
10:08 PM
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CBSE XII Science Chemistry Solutions
Calculate the molarity of NaOH in the solution prepared by dissolving it's 16g in enough water to form 500ml of the solution.
Asked by ravikumarmunnar2015
16th November 2020
8:59 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is difference between 0.5m NaOH and 0.5M NaOH
Asked by manteaditya8
8th January 2021
1:45 PM
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CBSE XII Science Chemistry Solutions
The vapour pressure of pure benzene is 639.7mm of Hg and vapour pressure of solution of a solute in benzene is 631.9mm of Hg. Calculate the molality of solution.
Asked by pravinbgsbihar
24th February 2021
8:17 PM
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JEE Main Chemistry Some Basic Concepts in Chemistry
molarity based questions
Asked by shrisneha261
2nd September 2021
12:08 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
If of 6×10²³HCL are dissolved in 100ml water calculate the molarity of solution obtained
Asked by www.studyking.com
3rd September 2021
10:07 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
sir what is molarity
Asked by singhsahab0843
5th September 2021
8:38 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
324g of 20% by mass of Ba(OH)2 solution
Asked by arunparewa2000
27th October 2021
6:59 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
0.38g of NaOH is dissolved in water to prepare 50 ml solution. calculate the molarity of the solution
Asked by thathvakunjusree
10th December 2021
6:46 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
calculate the molarity of a 3.58m aqous rbcl solution with a density of 1.12g/ml
Asked by dhankharbhupesh53
21st May 2022
5:18 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
molarity
Asked by alfirozislam900
3rd July 2022
1:24 PM
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CBSE XII Science Chemistry Solutions
what is molarity
Asked by gauravrastogi577
16th August 2022
6:17 PM
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CBSE XII Science Chemistry Solutions
what is molarity
Asked by gauravrastogi577
16th August 2022
6:18 PM
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NEET NEET Chemistry
What is the relation between molal elevation constant and molecular elevation constant? In concentration term CAN WE WRITE (Molecular elevation constant= 10*Molal elevation constant)???
Asked by harjotbhatia0172
22nd April 2023
2:05 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is the basic difference between a mole and molar?
Asked by bablipanwar893
1st July 2023
12:25 PM
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JEE Main Chemistry Some Basic Concepts in Chemistry
molarity of the liquid HCl if density of the solution is 1.17g/cc is
Asked by vuppulojusaritha
5th November 2023
2:22 PM
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CBSE XII Science Chemistry Solutions
उस विलयन कि मोलरता की गणना कीजिए जिससे 5 ग्राम NaoH 450 ML विलियन में घुला हुआ है
Asked by kamlesh.kumar.malee
20th December 2023
6:59 AM
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CBSE XII Science Chemistry Solutions
5g of NaOH is dissolved in 500ml of water. find the molarity of the solution
Asked by saritanohar22
13th January 2024
1:25 PM
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CBSE XII Science Chemistry Solutions
120 GM Naoh is dissolved in 3dm³ aqcus solution find out its molarity and normality
Asked by sameerteli003
8th April 2024
11:48 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
what is the molarity of solution of 5.85 gram NaCl present in 100 ml solution
Asked by mahendar160786
16th April 2024
9:23 PM
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