What is Molecular Weight?

Question

Chandan Asked Aug 2, 2023

55 views

1 Answer

RELATED DOUBTS

Aayush Asked Feb 1

50 views

Caffeine has a molecular weight of 194 . It contains about 30% by mass of nitrogen. The number of atoms of nitrogen in one molecule of it is :

Aayush Asked Feb 1

by Aayush

1 Answer

0 Votes

50 Views

ALOK_RAJ Asked Nov 19, 2023

184 views

A solution contains 0.18g per mL of a substance X whose molecular weight is

ALOK_RAJ Asked Nov 19, 2023

by ALOK_RAJ

1 Answer

0 Votes

184 Views

Chandan Asked Sep 29, 2023

252 views

The vapour density of a chloride of a metal is 81.5 (H=1) and the chloride contains 34.46 % metal. The specific heat of the metal is 0.115. Calculate the exact atomic weight and molecular formula of chloride.

Chandan Asked Sep 29, 2023

by Chandan

1 Answer

0 Votes

252 Views

Chandan Asked Aug 9, 2023

71 views

Haemoglobin contains 0.25 % iron by weight. The molecular weight of Hemoglobin is 89600 u. Calculate the weight of K4[ Fe (CN)_{6}] that can be produced

Chandan Asked Aug 9, 2023

by Chandan

1 Answer

0 Votes

71 Views

ANAND_YADAV Asked Aug 8, 2023

163 views

If the number of molecules of SO2 (molecular weight =64 ) effusing through an orifice of unit area of cross-section in unit time at 0∘C and 1 atm pressure is n

ANAND_YADAV Asked Aug 8, 2023

by ANAND_YADAV

1 Answer

0 Votes

163 Views

ANAND_YADAV Asked Aug 8, 2023

240 views

The ratio of the rate of diffusion of a given element to that of helium is 1.4. The molecular weight of the element is (under same temperature and pressure)

ANAND_YADAV Asked Aug 8, 2023

by ANAND_YADAV

1 Answer

0 Votes

240 Views

ANAND_YADAV Asked Jul 30, 2023

122 views

61.25% (w/w) H2SO4 stock solution has a density of $1.6 g mL ^{-1}$. The molecular weight of H2SO4 is $98 g mol ^{-1}$. The volume $( mL )$ of stock solution required to prepare a 200 mL solution of 0.3 M H2SO4 is :

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

1 Answer

0 Votes

122 Views

ALOK_RAJ Asked Nov 19, 2023

76 views

Pairs having equal molecular weight

ALOK_RAJ Asked Nov 19, 2023

by ALOK_RAJ

1 Answer

0 Votes

76 Views

Chandan Asked Oct 6, 2023

92 views

When 10 gm of a non-volatile solute is dissolved in 100 gm of benzene its boiling point raised by 1º. What is the molecular mass of solute?

Chandan Asked Oct 6, 2023

by Chandan

1 Answer

0 Votes

92 Views

Chandan Asked Aug 2, 2023

60 views

What is Molecular Mass?

Chandan Asked Aug 2, 2023

by Chandan

1 Answer

0 Votes

60 Views

Aayush Asked Feb 2

54 views

If 6.3 g of NaHCO3 are added to 15.0 g of CH3COOH solution, the residue is found to weight 18.0 g. What is the mass of CO2 released in this reaction?

Aayush Asked Feb 2

by Aayush

1 Answer

0 Votes

54 Views

Chandan Asked Sep 29, 2023

87 views

1.0g of a metallic carbonate left on ignition 0.56g of its oxide. What is the atomic weight of the metal?

Chandan Asked Sep 29, 2023

by Chandan

1 Answer

0 Votes

87 Views

Chandan Asked Aug 9, 2023

56 views

What weight of CO is required to form Re2(CO)_{10} from 2.42 g of Re2O7 according to the given unbalanced reaction?

Chandan Asked Aug 9, 2023

by Chandan

1 Answer

0 Votes

56 Views

ALOK_RAJ Asked Aug 6, 2023

299 views

On the basis of molecular orbital theory what are the similarities between

ALOK_RAJ Asked Aug 6, 2023

by ALOK_RAJ

1 Answer

0 Votes

299 Views

Aayush Asked Feb 1

57 views

An organic compound on analysis was found to contain 0.032% of Sulphur by mass. The molecular mass of the compound, if its one molecule contains two Sulphur atoms, is :

Aayush Asked Feb 1

by Aayush

1 Answer

0 Votes

57 Views

ALOK_RAJ Asked Oct 5, 2023

125 views

According to molecular orbital theory which of the following statements about the magnetic character and bond order is correct regarding O2+?

ALOK_RAJ Asked Oct 5, 2023

by ALOK_RAJ

1 Answer

1 Vote

125 Views

ALOK_RAJ Asked Oct 5, 2023

102 views

Three of the following formula might be empirical or molecular formula but one of the four must be a molecular formula. That one is :

ALOK_RAJ Asked Oct 5, 2023

by ALOK_RAJ

1 Answer

0 Votes

102 Views

ANAND_YADAV Asked Aug 7, 2023

79 views

If x-axis is the molecular axis, then π -molecular orbitals are formed by the overlap of

ANAND_YADAV Asked Aug 7, 2023

by ANAND_YADAV

1 Answer

0 Votes

79 Views

Shakti Asked Dec 20, 2021

178 views

A gaseous mixture is composed of equal number of moles of CH4, C2H5 and C2H2. The average molecular mass of mixture (in amu) is

Shakti Asked Dec 20, 2021

by Shakti

1 Answer

4 Votes

178 Views

Shakti Asked Dec 20, 2021

59 views

5.6 liters of gas at STP are found to have a mass of $11 \mathrm{~g}$. The molecular mass of the gas is

Shakti Asked Dec 20, 2021

by Shakti

1 Answer

6 Votes

59 Views

Aayush Asked Feb 2

104 views

0.65 g of Zn was put in a solution of 1.5 g CuSO4 and the Cu. thus precipitated weighed 0.635 g. what weight of the zinc sulphate will be recovered on evaporation of the remaining solution?

Aayush Asked Feb 2

by Aayush

1 Answer

0 Votes

104 Views

Aayush Asked Feb 2

67 views

What weight of barium chloride will react with 2.36 g of sodium sulphate in solution so as to produce 3.88 g of barium sulphate and 1.94 g of sodium chloride in solution?

Aayush Asked Feb 2

by Aayush

1 Answer

0 Votes

67 Views

ALOK_RAJ Asked Nov 19, 2023

94 views

What weight of ammonia contains the same number of molecules as 11.2 liters of oxygen at STP?

ALOK_RAJ Asked Nov 19, 2023

by ALOK_RAJ

1 Answer

0 Votes

94 Views

ALOK_RAJ Asked Oct 5, 2023

175 views

What weight of carbon disulphide, CS2 can be completely oxidised to sulphur dioxide and carbon dioxide by the oxygen liberated when 325g of Na2O2 react with water?

ALOK_RAJ Asked Oct 5, 2023

by ALOK_RAJ

1 Answer

0 Votes

175 Views

Aayush Asked Feb 20

81 views

Mass of a body is 5 Kg. What is its weight?

Aayush Asked Feb 20

by Aayush

1 Answer

0 Votes

81 Views

ALOK_RAJ Asked Oct 5, 2023

149 views

When FeS2 is burnt in air, it converts to Fe2O3. What happens to the percentage by weight of iron in the process?

ALOK_RAJ Asked Oct 5, 2023

by ALOK_RAJ

1 Answer

0 Votes

149 Views

Shiv roshan kushwaha Asked Apr 22, 2022

450 views

Weight of an object is 294 N on the surface of the earth. What is its weight at a height of 200km from the surface of the earth. (Radius of the earth $=6400 km).

Shiv roshan kushwaha Asked Apr 22, 2022

by Shiv roshan kushwaha

1 Answer

4 Votes

450 Views

Aayush Asked Apr 11

39 views

The element X is trivalent. 9.0 g of the element combines with 8.0 g of oxygen. The atomic weight of X is, therefore :

Aayush Asked Apr 11

by Aayush

1 Answer

0 Votes

39 Views

Aayush Asked Apr 11

33 views

The specific heat of a metal is 0.16. Its approximate atomic weight would be :

Aayush Asked Apr 11

by Aayush

1 Answer

0 Votes

33 Views

Aayush Asked Jan 31

196 views

1.5 x 10^22 atoms of an element weight about 0.9 g. The atomic mass of the element (in amu) is —

Aayush Asked Jan 31

by Aayush

1 Answer

0 Votes

196 Views

ALOK_RAJ Asked Dec 20, 2023

92 views

A gaseous mixture contains oxygen and nitrogen in the ratio of 1: 4 by weight. The ratio of number of molecules of oxygen and nitrogen is :

ALOK_RAJ Asked Dec 20, 2023

by ALOK_RAJ

1 Answer

0 Votes

92 Views

ALOK_RAJ Asked Nov 19, 2023

84 views

The weight of 350mL of a diatomic gas at 0°C and 2 atm pressure is 1.0 g. Calculate the weight of an atom in gram.

ALOK_RAJ Asked Nov 19, 2023

by ALOK_RAJ

1 Answer

0 Votes

84 Views

Chandan Asked Oct 6, 2023

94 views

Cu2S and Ag2S are isomorphous compounds. The percentage of sulphur in Cu2S is 20.14 and that in Ag2S is 12.94. The atomic weight of copper is 63.57. Calculate the atomic weight of silver.

Chandan Asked Oct 6, 2023

by Chandan

1 Answer

0 Votes

94 Views

Chandan Asked Sep 29, 2023

154 views

A piece of a metal weighs between 0.5g and 0.6g. When dissolved in dilute H2SO4, 196 mL of hydrogen gas is evolved at S.T.P. If the correct atomic weight of the metal is 65.2, calculate exact weight of metal dissolved in acid.

Chandan Asked Sep 29, 2023

by Chandan

1 Answer

0 Votes

154 Views

ANAND_YADAV Asked Aug 8, 2023

162 views

A sample of sodium nitrate weighing 8.53g is heated until a weight loss of 0.853g occurs.

ANAND_YADAV Asked Aug 8, 2023

by ANAND_YADAV

1 Answer

0 Votes

162 Views

ASK DOUBTS

What is Molecular Weight?

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

RELATED DOUBTS

CATEGORIES

POPULAR TAGS