Question

What volume of 0.50 mol dm-3 sulfuric acid, $H_{2} SO_{4}$, is needed to react exactly with 5.0 g of magnesium, and what volume of hydrogen will be evolved?
Mg(s) + H2SO4(aq) --> MgSO4(aq) + H2(g)

Answer 1

Explanation:

What volume of 0.50 mol dm-3 sulfuric acid, H_{2} SO_{4}H

2

SO

4

, is needed to react exactly with 5.0 g of magnesium, and what volume of hydrogen will be evolved?

Mg(s) + H2SO4(aq) --> MgSO4(aq) + H2(g)