Chemistry, asked by alishi3130, 1 year ago

What volume of dihydrogen gas will be generated by the action of excess hydrochloric acid on a 21⋅g mass of zinc metal?

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Answered by Anonymous

Since copper does not react with hydrochloric acid, you can conclude that all ... 0.1974moles Zn ⋅65.38 g1mole Zn =12.91 g. The mass of copper present in the initial sample will be.

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