Answer to Question #133749 in General Chemistry for Harry

Question

The SS Hindenburg

contained about 5.33 × 10⁵ g of H₂ gas when it burned at Lakehurst, New Jersey, in 1937. The chemical reaction is as follows:

2H₂ + O₂→ 2H₂O

How many grams of H₂O were produced?

Answer 1

M(H₂) = 2 g/mol

M(H₂O) = 18 g/mol

n=m/M

n(H₂)=$\frac{5.33\times10^5}{2}$ = 2.665×10⁵ mol

Proportion from the reaction:

n(H₂) = n(H₂O) = 2.665×10⁵ mol

m(H₂O)= 18×2.665×10⁵ = 47.97×10⁵ g

Answer: 47.97×10⁵ g