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Zn+2HCl→ZnCl2+H2, what mass of hydrogen gas is produced when 3.9g Zn is reacted with excess aqueous hydrochloric acid? Answer in units of g?

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  • Zn+2HCl→ZnCl2+H2, what mass of hydrogen gas is produced when 3.9g Zn is reacted with excess aqueous hydrochloric acid? Answer in units of g?


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