11.2 L of carbon dioxide at S.T.P contains _______ oxygen atoms.

Ozone molecule contains _____ oxygen atoms.

One mole of Sulphuric acid contains _________ Oxygen atoms.

What is the weight of calcium carbonate required for the production of 1 L of carbon dioxide at 27^(@)C and 750 mm, by the action of dilute hydrochloric acid?

The number of moles of barium carbonate which contains 1.5 moles of oxygen atom is

What will be the pressure exerted by a mixture of 3.2 g of methane and 4.4 g of carbon dioxide contained in a 9 dm^3 flask at 27^@C ?

In a gaseous mixture at 4 atm pressure, 25% of molecules are Nitrogen, 40% of molecules are carbon dioxide and the rest are oxygen. The partial pressure of oxygen in the mixture is

A mixture of sodium oxide and calcium oxide is dissolved in water and saturated with excess carbon dioxide gas. The resulting solution is _ _ _ _ _ , it contains _ _ _ _ _