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1 Mg (s) + 2 HCl (aq) --> 1 MgCl2 + 1 H2 If 2.50 mol of hydrochloric acid is reacted, how many moles of magnesium chloride is produced?

Sagot :

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Answer:

1.25 moles of magnesium chloride are produced

Explanation:

Based on the reaction:

Mg(s) + 2HCl (aq) → MgCl₂(s) + H₂(g)

1 mole of magnesium, Mg, reacts with 2 moles of hydrochloric acid, HCl, to produce 1 mole of magnesium chloride, MgCl₂ and 1 mole of hydrogen gas.

To solve this question we have to tak, from the chemical equation:

2 mol HCl = 1mol MgCl₂

That means, the moles of MgCl₂ produced from 2.50mol HCl are:

2.50 mol HCl * (1mol MgCl₂ / 2mol HCl) =

1.25 moles of magnesium chloride are produced

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