MusicalGirl9843 MusicalGirl9843
  • 19-11-2022
  • Chemistry
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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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shzwn
shzwn shzwn
  • 19-11-2022

Answers:

n = mass/Mr

mass = n × Mr

Hence , mass = 7.8 × 95

= 741 grams

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pinked
pinked pinked
  • 19-11-2022
The mass of MgCl2 is 743g/mol with the correct number of significant figures.
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