Question

1a. Calculate the formula weight for each of the following compounds (in Amu): AgHCO3 ______AMU C3H7N3O3...

1a. Calculate the formula weight for each of the following compounds (in Amu):

AgHCO3 ______AMU

C3H7N3O3 ______AMU

(NH4)3PO4 ______AMU

please help

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Homework Answers

Answer #1

1)

Formula weight of AgHCO3 = 1*MM(Ag) + 1*MM(H) + 1*MM(C) + 3*MM(O)

= 1*107.9 + 1*1.008 + 1*12.01 + 3*16.0

= 168.918 amu

Answer: 168.918 amu

2)

Formula weight of C3H7N3O3 = 3*MM(C) + 7*MM(H) + 3*MM(N) + 3*MM(O)

= 3*12.01 + 7*1.008 + 3*14.01 + 3*16.0

= 133.116 amu

Answer: 133.116 amu

3)

Formula weight of (NH4)3PO4 = 3*MM(N) + 12*MM(H) + 1*MM(P) + 4*MM(O)

= 3*14.01 + 12*1.008 + 1*30.97 + 4*16.0

= 149.096 amu

Answer: 149.096 amu

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