How many grams of oxygen will be formed by the action of 12g of sodium peroxide on water? Calculate also the volume of the gas at NTP.

Calculate the volume of 20 g of hydrogen gas at NTP.

Which of the following is formed by the action of water on sodium peroxide ?

How many grams of water will be produced by complete combustion of 12 g of methane gas?

How many litres of oxygen at STP are required for the combustion of 4 g of methane gas? Also calculate the volume of CO_(2) gas produced at STP.

How many litres of oxygen at STP are required for the combustion of 4 g of methane gas? Also, calculate the volume of CO_(2) gas produced at STP.