MCQ
Which one has the highest percentage of nitrogen
- ✓Urea
- BAmmonium sulphate
- CAmmonium nitrate
- DCalcium nitrate
✓
Answer
Correct option: A.
Urea
a
(a) $\%$ of $N$ = $\frac{\text{Mass of }N}{\text{Mass of compound}}\times 100$= $\frac{28}{60}\times 100$ $\frac{28}{60}\times 100$
(a) $\%$ of $N$ = $\frac{\text{Mass of }N}{\text{Mass of compound}}\times 100$= $\frac{28}{60}\times 100$ $\frac{28}{60}\times 100$
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