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4 February, 14:12

Magnesium reacts with hydrochloric acid, HCl, to form magnesium chloride and hydrogen gas. The reaction is:

Mg + 2HCl → MgCl2 + H2

What is the mass of HCl that would be required to completely react with 5.2 grams of Mg?

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Answers (1)
  1. 4 February, 14:34
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    5.2 / 24.3 = 0.214

    0.214 x 2 = 0.428

    0.428 x 36.5 = 15.6g
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