Question

b) How many atoms of hydrogen are there in 36 gram of ammonia​

Answer 1

Answer:

The formula mass of ammonia is 14 + 1 × 3 = 17. The number of moles in 27.6g ammonia is 27.6 ÷ 17 = 1.62 mol.

A mole is 6.02 × 10²³, so the number of hydrogen atoms in a 1.62 moles of ammonia is 1.62 × 6.02 × 10²³ × 3 = 2.93 × 10²⁴ atoms..

Explanation:

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Answer 2

we have 6.35gms of hydrogen in 36gms of ammonia

Explanation:

weight of NH3 is 17gms in which we have 3gms of hydrogen

36gms of NH3 has hydrogen = (36÷17)×3= 6.35gms

so we have 6.35gms of hydrogen in 36gms of ammonia