If 0.25 g of magnesium metal were to react with an excess amount of hydrochloric acid solution, how many grams of hydrogen gas (H2) would be produced after the reaction? Show complete calculations.
omg guys please help me, this is not found in our modules yet so idk how to do this. :((
deadline is tomorrow I still don't have any answer. :'((
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Explanation:
hydrochloric acid is in excess.so Mg is limiting reactant.
Mg + 2HCl = MgCl2 + H2
no.of mole of Mg =0.25g/24g/mol =0.01mol
1 mol of Mg produces 1mol of H2gas
hence,mol of H2 produced = 0.01 mol =0.02g
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