Question

what weight in garms is represented by (1) 2 moles of carbondioxide (2) 5 moles of azane

Answer 1

1 mole of CO2 Weighs 44g therefore 2 gms. of it will weigh 2×44g i.e. 88g similarly 1 mole of azane weighs 34g therefore 5 moles of azane will weigh 5×34 g ( Molecular formula of azane is N2H6)