Question

14.20 litrs of hydrogen gas at stp weighs​

Answer 1

Answer:

1.268

Explanation:

Volume occupied at STP = 22.4 L

Moles of H2 gas = 14.20 ÷ 22.4 = 0.6339 moles

Mass of H2 gas = Moles of H2 × Molecular weight of H2

Mass of H2 gas = 0.6339 × 2

Mass of H2 gas = 1.268 g

I hope it helps.