Question

calculate the molecular mass of NH3 ​

Answer 1

Answer:

Here is the answer:

Explanation:

MOLAR MASS:- NH3=N+H(3)

=14+1(3)

=17 mol.

So the molar mass of Ammonia(NH3) is 17 mol.

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Answer 2

The atomic masses of N and H are 14 g/mol and 1 g/mol respectively. The molecular weight of ammonia is 14+3(1)=17 g/mol.

Convert unit from g to kg

17 g/mol×1000 g1 kg=0.017 kg/mol

1 mole of ammonia weighs 0.017 kg and contains Avogadro's number ( 6.023×1023 ) of molecules.

Molecular mass of an ammonia molecule =6.023 ×1023 molecules/mol0.017 kg/mol=2.82×10−26 kg

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