The gases hydrogen, oxygen, carbon dioxide, sulphur dioxide and chlorine are arranged in order of their increasing relative molecular mass. Given 10 g of each gas at STP, which gas will contain the least number of molecules and which gas the most?
The gases hydrogen, oxygen, carbon dioxide, sulphur dioxide and chlorine are arranged in order of their increasing relative molecular mass. Given 10 g of each gas at STP, which gas will contain the least number of molecules and which gas the most?