Question

calculate the mass of 1 molecule of Nh3

Answer 1

Dear student,

1 mole = molar mass of a molecule = 6.023 x 10²³ particles.

1 mole of ammonia weighs 17 g.

6.023 x 10²³ molecule of ammonia = 17 g

1 molecule of ammonia = (17 / 6.023 x 10²³) = 2.82 x 10^-23 g = 2.82 x 10^-20 kg.

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