What do you understand by the statement that ‘vapour density of carbon dioxide is 22’?

One Line Answer

The vapor density of carbon dioxide is 22; it means that 1 molecule of carbon dioxide is 22 times heavier than 1 molecule of hydrogen.

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Chapter 5: Mole concept and Stoichiometry - EXERCISE-5B [Page 84]

Chapter 5 Mole concept and Stoichiometry
EXERCISE-5B | Q 19. (a) | Page 84

Prove the Following :
2 X V.D. = Molecular mass.

Define the term:

Vapour density

Calculate the relative molecular mass of Sodium acetate
(use K = 39, Cl = 35.5, O = 16, C = 12, H = 1, Na = 23, N = 14, S= 32)

Empirical formula of a compound is CH₂O. If its empirical formula is equal to its vapour density, calculate the molecular formula of the compound.

Find the total percentage of oxygen in magnesium nitrate crystal Mg(NO₃)₂.6H₂O.
[H = 1, N = 14, O = 16, Mg = 24]

If the relative molecular mass of A is 90, what is the molecular formula of A?

A certain gas 'X' occupies a volume of 100 cm³ at S.T.P. and weighs 0.5 g. Find its relative molecular mass.

Calculate the relative molecular mass of:

CH₃COONa

Which of the following contains maximum number of molecules?

Calculate the number of atoms of each kind in 5.3 grams of sodium carbonate.