CBSE IX Chemistry Atoms and Molecules
calculate the molar mass of cao
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3rd January 2018
1:38 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
Plz solve 19th
Asked by lovemaan5500
30th January 2018
6:27 AM
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CBSE IX Chemistry Atoms and Molecules
what is the mass of one mole of nitrogen atoms
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22nd April 2018
1:30 PM
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CBSE XII Science Chemistry Solutions
How COLLIGATIVE PROPERTIES are useful in measuring molecular weight ?
Asked by pardeepkumar2281
15th May 2018
12:14 AM
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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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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
I get confused in molecular mass,molar mass ,and formula unit mass can you please explain this topic with a day to day life example???
Asked by Agil
16th June 2018
8:18 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
1. 4g H2 reacts with 20g O2 to form water. How much water is formed? 2.It was found that 380mL of a gas at 27◦C and 800mm of Hg weighed 0.455g. Find the molecular weight of the gas.
Asked by swagatamsaha2002
17th June 2018
11:09 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
molecules present in 20g H2O
Asked by kusumgchouhan001
22nd June 2018
9:33 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Number of neutron present in 12x10 ^ 23 atoms of oxygen containing 17 grams of molecular weight: (Given NA = 6x10 ^ 23)
Asked by shubham202222
5th August 2018
7:40 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
Asked by pb_ckt
1st May 2019
10:45 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve Q.17.
Asked by pb_ckt
10th May 2019
1:36 PM
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CBSE XII Science Chemistry Polymers
In a polymer sample 30% of molecules have a molecular mass 20,000, 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer? (1) 40,300, (2) 30,600, (3) 43,333, (4) 50,400
Asked by patra04011965
14th May 2019
7:55 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A sample of gases contains 10 ml CH4,20 ml C2H2 and 30 ml CO2 at constant temperature and pressure .What is the average molecular mass of sample?
Asked by vishakhachandan026
15th May 2019
10:37 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve
Asked by pb_ckt
18th May 2019
11:03 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The mass of 1.5055 ×10^ 23 Co molecules is is
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24th May 2019
10:09 PM
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CBSE IX Chemistry Atoms and Molecules
The weight of a molecule of the compound C60H122 is (in g)
Asked by Surekhanitawe20
6th June 2019
7:40 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
What is Gram Molecular Mass and how its is calculated?
Asked by aashimegh
3rd August 2019
11:50 AM
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CBSE IX Chemistry Atoms and Molecules
how to calculate a molecular mass?
Asked by Simon.dance27
26th December 2019
9:35 AM
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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 in Chemistry
give the answer of question in image plz??
Asked by harshyadav4758
28th March 2020
10:31 AM
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CBSE IX Chemistry Atoms and Molecules
How to calculate the relative molecular mass of CARBON DIOXIDE
Asked by aaryabhavsar08.9spicertl
9th May 2020
1:07 PM
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CBSE XII Science Chemistry Polymers
A polymer sample contains 30%(by weight) of chains with molecular weight 10000, 30%(by weight) of the chains with molecular weight 20000, and the rest of chains with molecular weight 30000. Calculate the number average and weight average molecular weight of the sample.
Asked by me.shekharhimanshu
19th June 2020
12:03 PM
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ICSE VIII Chemistry Elements, Compounds and Mixtures
What is formula unit of mass? How is it different from molecular mass?
Asked by gauravyadav99.8spicertl
24th June 2020
7:48 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the molecular mass of the following 1. H2o
Asked by ts8645710
22nd August 2020
5:21 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
Find weight of one molecule of CO2
Asked by kengururajeshear303723
21st October 2020
7:42 PM
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CBSE IX Chemistry Atoms and Molecules
molecular mass of magnesium chloride is?
Asked by melferns2007
27th October 2020
7:57 AM
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CBSE IX Science Is Matter Around Us Pure?
calculate relative molecular mass of water
Asked by sumanajith2018
13th January 2021
11:50 AM
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ICSE IX Chemistry Water
water molecular mass
Asked by shreesamaira
8th August 2021
11:48 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is molecular mass?
Asked by arttameher038
23rd August 2021
7:06 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
hiw many atoms of carbon are present in 7.8g of beneze
Asked by sofisalman584
21st September 2021
10:26 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
molecular mass
Asked by udheshraddha2004
28th October 2021
9:37 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
how we can calculate the molecular mass?
Asked by shrinidhizalte123
5th December 2021
11:31 PM
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CBSE IX Chemistry Atoms and Molecules
Calculate the molecular mass of h20
Asked by rupasajwan363
4th January 2022
4:17 PM
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CBSE IX Chemistry Atoms and Molecules
calculate the formula unit mass of CaCl2
Asked by prachisharma772007
16th January 2022
11:12 AM
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CBSE IX Science Is Matter Around Us Pure?
200cc of a gas measures at S. T. P has a mass 0.268. molecular weight of the gas is
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20th June 2022
10:57 AM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
B1 g of an element gives B2g of its chloride the equivalent mass of the element is
Asked by drkeshavkhandagle
18th January 2024
8:10 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
The Weight of the molecule of the compound C(60) H(122)
Asked by biswassayan8464
21st April 2024
11:30 AM
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