Volume of water at STP which contains 0.1 moles of electrons is

Water is a liquid having a density=1 g/ml. ∴18 g = 18 ml;Number of electrons in one molecule of H2O = 2(1) + 8 = 10   18 ml of H2O contain 10NA electrons (10 moles)0.18 ml of H2O contains 0.1NA electrons (0.1 moles)