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10-03-2021
Chemistry

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Moles to grams
1_Mg + _2_HCI ---> _1_MgCl2 + _1_H2
What mass of HCl is consumed by the reaction of 1.25 moles of magnesium?

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10-03-2021

Answer:

2.5 moles HCl = 2.5moles x 36g/mole HCl = 90 grams HCl.

Explanation:

From equation ratios the reaction ratio is 1 mole Mg to 2 moles HCl. That is, given 1.25 moles Mg, moles HCl consumed will be 2(1.25)moles, or 2.5 moles HCl = 2.5moles x 36g/mole HCl = 90 grams HCl.

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