What is the mass of 7. 80 moles of magnesium chloride, MgCl2? Express your answer with the appropriate units.

asked Sep 19, 2023 178k views

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What is the mass of 7. 80 moles of magnesium chloride,

MgCl2?

Express your answer with the appropriate units.

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The mass of MgCl2 is 743g/mol with the correct number of significant figures.

Tim Harding answered Sep 21, 2023

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Answers:

n = mass/Mr

mass = n × Mr

Hence , mass = 7.8 × 95

= 741 grams

Nils answered Sep 24, 2023

by Nils

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