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Damranne10go
Answered

A flask contains 70.0 grams of Mg3(PO4)2. How many moles of Mg3(PO4)2 does the flask contain?

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LeonalynTayonego

Explanation:

the molecular weight of Mg3(PO4)2 is 262.855 g/mol. So, the number of moles of Mg3(PO4)2 is

# moles Mg3(PO4)2

= 70 g/ Mg3(PO4)2 g/mol = 0.266 mol

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