Question

某含NH4HCO3的样品中含氮量为16%,含NH4HCO3的质量分数为多少?

Answer 1

设样品中含NH4HCO3的质量分数为x％,样品总质量为a

纯NH4HCO3中N的质量分数：N％=N / NH4HCO3=14/79

a·x％·N％=16％a

x％=16％ / N％ ≈90.29％

答：样品中含NH4HCO3的质量分数为90.29％