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12 August, 03:37

Determine the number of moles of compound in each of the following compounds?

4.50g H2O

471.6g Ba (OH) 2

129.68g Fe3 (PO4) 2

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  1. 12 August, 05:16
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    Use the Chem Periodic table to find the molar mass.

    moles = mass / molar mass

    H2O = 18 ... 4.50/18 = 0.25 mol

    Ba (OH) 2 = 171.327 ... 471.6/171.327 = 2.75 mol

    Fe3 (PO4) 2 = 357.482524 ... 129.68/357.482524 = 0.36 mol
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