Chemistry, 01.05.2021 15:10, Kellystar27

9. Magnesium reacts with hydrochloric acid according to th following equation:
Mg(s) + 2HCl(aq) MgCl (aq) + H2(g)
What mass of hydrogen will be obtained if 100 cm of
2.00 mol dm HCl are added to 4.86 g of magnesium?
A. 0.2 g
C. 0.8 g
B. 0.4 g
D. 2.0 g

Answers: 2

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9. Magnesium reacts with hydrochloric acid according to th following equation:
Mg(s) + 2HCl(...