Asked by Anonymous
One reaction that produces hydrogen gas can
be represented by the unbalanced chemical
equation
Mg(s) + HCl(aq) −! MgCl2(aq) + H2(g) .
What mass of HCl is consumed by the reac-
tion of 2.96 mol of magnesium?
Answer in units of g
be represented by the unbalanced chemical
equation
Mg(s) + HCl(aq) −! MgCl2(aq) + H2(g) .
What mass of HCl is consumed by the reac-
tion of 2.96 mol of magnesium?
Answer in units of g
Answers
Answered by
DrBob222
Mg + 2HCl ==> MgCl2 + H2
2.96 mols Mg x (2 mol HCl/1 mol Mg) = 2.96 x 2/1 = ? mols.
Then mols HCl x molar mass HCl = grams HCl.
2.96 mols Mg x (2 mol HCl/1 mol Mg) = 2.96 x 2/1 = ? mols.
Then mols HCl x molar mass HCl = grams HCl.
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