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18-11-2022
Chemistry

Answered

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

MgCl2?

Express your answer with the appropriate units.

Answer :

19-11-2022

Answers:

n = mass/Mr

mass = n × Mr

Hence , mass = 7.8 × 95

= 741 grams

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19-11-2022

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

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