Answer :
9 grams
2 moles of hydrogen and one mole of oxygen produces 2 moles of water. The molar mass of hydrogen is 2 and that of oxygen is 32 and water is 18.Hence, with 8 grams of of oxygen and hydrogen, the mass of water produced is 9 grams
9 grams
2 moles of hydrogen and one mole of oxygen produces 2 moles of water. The molar mass of hydrogen is 2 and that of oxygen is 32 and water is 18.Hence, with 8 grams of of oxygen and hydrogen, the mass of water produced is 9 grams