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What is the mass of 8.90 moles of magnesium chloride, MgCl2? Express your answer numerically in grams.

What is the mass of 8.90 moles of magnesium chloride, MgCl2? Express your answer numerically in grams.
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What is the mass of 8.90 moles of magnesium chloride, MgCl2?

Express your answer numerically in grams.

User Shubhan
by
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2 Answers

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Moles= weight of the given compound /molecular mass of that compound. Therefore Weight of MgCl2= moles of MgCl2 x molecular mass of MgCl2 = 8.90 moles x (molecular weight of Mg+ 2 x molecular weight of Cl) = 8.90 x (24 + 2x 35.5) ~ 845. 5gm.
User Bachir
by
8.3k points
2 votes
mass = mol x Mr
= 8.90 x (24.3 + (2)(35.5))
= 848.17g
User Sindee
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User Donthurtme
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What is the mass of 8.90 moles of magnesium chloride, MgCl2? Express your answer numerically in grams.
Donthurtme asked Feb 5, 2017
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