When 140 G of Zinc Metal Reacts with Excess HCl,how Many

question 49

Multiple Choice

When 14.0 g of zinc metal reacts with excess HCl,how many litres of H₂ gas are produced at STP? $$\mathrm { Zn } ( s ) + 2 \mathrm { HCl } ( a q ) \rightarrow \mathrm { ZnCl } _ { 2 } ( a q ) + \mathrm { H } _ { 2 } ( g )$$

• A)0.208 L
• B)0.416 L
• C)4.86 L
• D)9.60 L

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