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01-06-2020
Chemistry

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What mass of copper is consumed in the reaction with hydrochloric acid if 10.0 g of gas is collected?

Respuesta :

01-06-2020

Answer:

317 g

Explanation:

Cu + 2HCl --> CuCl2 +H2

1 : 2 1 : 1

1 mole of Cu = 63.5 g

1 mole of H2 = 2g

1 mole Cu produces = 1 mole of H2

63.5 g of Cu produces = 2 g of H2

So

10 g of H2 will be produced from = (63.5/2)*10 = 317 g of Copper

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