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please solve these two questions. I know the methdo but i was getting the answer wr
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Asked by Arushi Juyal
12th December 2017
6:57 AM
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CBSE XII Science Chemistry Solutions
Calculate the freezing point of a solution containing 60 g of glucose (Molar mass = 180g mol-1) in 250 g of water. (Kf of water = 1.86 K kg mol-1)
Asked by raul.chintakindi14
14th March 2018
11:44 AM
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CBSE XII Science Chemistry Solutions
A SOLUTION OF 1.25g OF NON ELECTROLYTE IN 20g OF WATERFREEZESAT 271.94K.IF Kf=1.86 THEN MOLECULAR WEIGHT OF SOLUTION WILL BE..?????
Asked by aks51114vvit
16th April 2018
11:37 PM
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NEET1 NEET1 Chemistry
From a measurement of the freezing point depression of benzene, the molecular weight of acetic acid on a benzene solution was determined to be 100. The percentage association of acetic acid is :-
Asked by Atulcaald
15th May 2018
12:10 AM
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CBSE XII Science Chemistry Solutions
Density of 1M of a non-electrolyte aqueous solute of molecular weight 100 is 2 g/mL. If Kf(H2O) is 1.86°C kg mol–1, then solution will freeze at
Asked by Yogesh
5th August 2018
12:11 PM
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JEE Plances JEE (Main) Chemistry Solutions and Colligative Properties
Ques 14
Asked by rbhatt16
23rd August 2018
6:29 PM
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CBSE XII Science Chemistry Solutions
How many grams of KCL should be added to 1 kg of water to lower its boiling point to -8 degree celsius(kf of water=1.86)?
Asked by lekhakarthikeyan
25th August 2018
9:04 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 XII Science Chemistry Solutions
1.00 g of a non-electrolyte solute dissolved in 50 g of benzene lowered the freezing point of benzene by 0.40K. The freezing point depression constant of benzene is 5.12 K kg/mol. Find the molar mass of the solute
Asked by rockdeva663
17th April 2019
9:58 AM
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CBSE XII Science Chemistry Solutions
when0.5g Nacl present in 1000g of water then calculate the freezing point of solution ? kf= 1.7k kg /mol
Asked by lakashitaparihar801
30th April 2019
4:31 PM
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CBSE XII Science Chemistry Solutions
Why ice cream seller add salt to ice around cones and not ice alon why ? I have searched a lot about the reason but I can't understand any reason? Why adding of salt makes water colder
Asked by govtsecschoolnayaganv051
12th June 2019
11:01 AM
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CBSE XII Science Chemistry Solutions
Depression in freezing point is 6 K for NaCl solution if kf for water is 1.86 K/kg mol, amount of NaCl dissolved in 1 kg water is (a)3.42 (b)1.62 (c)3.24 (d)1.71
Asked by Balbir
17th July 2019
4:43 PM
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NEET NEET Chemistry Solutions
In 100 g of naphthalene , 2.423 g of S was dissolved . Melting point of naphthalene is 80.1 celcius .Tf is 661 celcius . Lf is 35.7 cal/g of naphthalene . Molecular formula of sulphur added is (a)S2 (b)S4 (c)S6 (d)S8
Asked by Balbir
17th July 2019
4:48 PM
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Calculate freezing point lowering of a 5% solution of glucose in water
Asked by ddeeru333
17th July 2019
7:47 PM
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Give me answer
Asked by yash01298
26th July 2019
7:49 PM
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By dissolving 5g substance in 50g of water, the decrease in freezing point is 1.2 degree celcius. The gram molal depression is 1.85 degree celcius. The molecular weight of substance is (a)105.4 (b)118.2 (c)137.2 (d)154.2
Asked by Balbir
28th July 2019
6:08 PM
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The freezing point of an aqueous solution of KCN containing 0.189 mol/kg was -0.704 C .On adding 0.095 mol of Hg(CN)2, the freezing point of the solution bacame -0.53 C .What will be new 'i' factor of the resulting ? [assuming that the Hg(CN)2 and KCN produced the complex].
Asked by Balbir
30th July 2019
4:06 PM
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CBSE XII Science Chemistry Solutions
2g of a substance dissolved in 40g of water produced a depression of 274.5K in the freezing point of water. Calculate the molecular mass of the substance .The molal depression constant for water is 274.85K per molal
Asked by mukundsharma70
5th August 2019
10:50 PM
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Please solve
Asked by brijk456
2nd September 2019
11:58 PM
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Solve
Asked by brijk456
3rd September 2019
12:06 AM
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CBSE XII Science Chemistry Solutions
Calculate the amount of CaCl2, which must be added to 2 kg water so that the freezing point is depressed by 61 K (Kf of H2O =1.86 K kg mol^-1, Atomic mass of Ca = 40, Cl = 35.5)
Asked by jusu20111
26th January 2020
1:15 PM
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CBSE XII Science Chemistry Solutions
calculate freezing point of a solution when 54g of glucose is dissolved in 250g of water
Asked by anamikadas355
14th February 2020
11:28 AM
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please answer this
Asked by Prashant DIGHE
28th February 2020
10:01 PM
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NEET NEET Chemistry Solutions
A 5 percent solution by mass of cane sugar in water has freezing point of 271k and freezing point of pure water is 273.15k the freezing point of a 5percent by mass of glucose in water is
Asked by pritumanojsingh9617935026
31st March 2020
12:11 PM
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CBSE XII Science Chemistry Solutions
To 500 cm3of water ,3×10^-3 of acetic acid is added .if 23 percent is dissociated what will be the depression in freezing pt given k1 is 1.86K kg /mol
Asked by sharmasherryal
25th May 2020
9:54 AM
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CBSE XII Science Chemistry Solutions
Explain B.pt.elevation and F.pt.depression?
Asked by anukritisingh8103.bmps
15th July 2020
5:52 PM
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CBSE XII Science Chemistry Solutions
2.00g of non-electolyte solute dissolved in 100g of benzene, lowered the freezing point of benzene by 0.30K. find the molar mass of solute.
Asked by goyalpavitarta
3rd May 2021
1:20 PM
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CBSE XII Science Chemistry Solutions
Calculate the freezing point depression expected for 0.0711m aqueous soln. of Na2SO4. If this solution actually Freezes at -0.320c, what would be the value of van’t Hoff Factor (Kf For water is 1.86kkgmol-1 )U
Asked by Monikavyas097
29th June 2021
9:27 AM
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