If 6.5g of magnesium ribbon reacts completely with Hydrochloric acid, how many grams of hydrogen...
CHEMISTRY
WAEC 2019
If 6.5g of magnesium ribbon reacts completely with Hydrochloric acid, how many grams of hydrogen gas would be liberated? Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) [ H = 1.0, Mg = 24.0 ]
- A. 0.54g
- B. 0.70g
- C. 1.08g
- D. 1.40g
Correct Answer: A. 0.54g
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