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How many moles are in 2.9 g of magnesium hydroxide?

1 Answer

Jun 10, 2017

#"Moles"="Mass"/"Molar mass"~=0.05*mol*L^-1#.

Explanation:

And thus........

#"Moles of"# #"Mg(OH)"_2=("2.9"*"g")/("58.32"*g*mol^-1)=0.0497*mol#.

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