Question

Nitrogen contain sample of urea 43.5% by mass% purity of urea in the sample

Answer 1

Answer:

molequqler mass=60

mass of nitrogen =28

percentage of nitrogen in 100%uria

100×28/60=46.67

actual percantage= 42.5

purity 100×42.5\46.67 =91%

Explanation:

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