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Asked Oct 6, 2019
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The formula mass of ammonium phosphite (NH4)3PO3 is...?

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The sum of the atomic mass of the atoms in the empirical formula of the compound is known as formula mass.

Step 2

The formula mass of ammonium phosphite (NH4)3PO3 is...

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Fomula mass 3x (1 x 14.007+ 4x 1.008)+1 x 30.974+3x 15.999 amu 3x (18.039)+30.974+ 47.997 amu =133.088 amu

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