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06-06-2017
Chemistry

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Suppose zinc combined with hydrochloric acid and produced zinc chloride and hydrogen gas in the following equation 652-02-05-03-00_files/i0020000.jpg. According to the equation, how many HCl molecules are needed to fulfill the conservation of mass

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EssenceOfViagra EssenceOfViagra

07-06-2017

It's B: there are 2 HCl molecules are needed to fulfill the conservation of mass.

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