Anonymous Anonymous

01-06-2015
Chemistry

Answered

What is the gram-formula mass of (NH4)3PO4?(1) 112g/mol (2) 121g/mol (3) 149g/mol (4) 242g/mol

Verified Answer :

lulu1991 lulu1991

01-06-2015

The gram-formula mass means that the mass of one mole molecule. Then you just need to calculate the elements together. So the gram-formula mass of (NH4)3PO4 is equals to (14+4)3+31+164= 149g/mol. So the answer is (3).

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