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21-01-2016
Chemistry

contestada

what is the molar mass of (NH4)3 PO4? 113g, 121g, 149g, 339g

Respuesta :

Willchemistry Willchemistry

21-01-2016

(NH4)3PO4 :

N = 14 * 3 = 42
H = 1 * 12 = 12
P = 31 * 1 = 31
O = 16 * 4 = 64
-------------------------
42+12+31+64 = 149 g / mol

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