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How Much H2 (In Liters)is Produced at 65 °C and 670.torr

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How much H2 (in liters) is produced at 65 °C and 670.torr by the reaction of 75.7 g of zinc?
Zn(s) + 2 H+(aq) → Zn2+(aq) + H2(g)


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