Question

12 g Mg (at mass 24) react with dilute mineral acid to produce maximum hydrogen equal to
(1) 0.5 mol
(2) 1.5 mol
(3) 1.5 g
(4) 0.5 g​

Answer 1

Answer:

(1) 0.5mol

Explanation:

no.of mol of H2 = 12g/24g/mol= 0.5mol

Mg +2HCl = MgCl2+H2

so.

0.5mol. of Mg will produce 0.5mol of H2