Chemistry
The mass of 11.2 litres of a certain gas at s.t.p. is 24 g. Find the gram molecular mass of the gas.
Related Questions
A gas cylinder contains 12 x 1024 molecules of oxygen gas.
Calculate : the mass of O2 present in the cylinder.
(ii) the volume of O2 at S.T.P. present in the cylinder.
[O = 16] Avog. no. is 6 × 1023
Calculate the number of gram atoms in 4.6 grams of sodium [Na = 23]
Calculate :
(i) The number of moles in 12 g. of oxygen gas. [O = 16]
(ii) The weight of 1022 atoms of carbon.
[C = 12, Avogadro's No. = 6 x 1023]
Calculate the volume occupied by 80 g. of carbon dioxide at s.t.p.