Answer to Question #268069 in General Chemistry for Kingsley

Question #268069

A specimen of zinc contain zinc oxide.0.8g of this specimen reacted with acid to give 215-cm3 of hydrogen collected dry at 17-0c and 770mmhg.calculate the percentage of zinc oxide in the mixture (zn=65, H=1)

Expert's answer

Percentage of zinc oxide=84.1%

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