Chemistry · Oct / Nov 2021 · Paper 11 · Question 25
5070The mole and the Avogadro constant
In order to decide which would be the better nitrogenous fertiliser, a student calculates the percentage by mass of nitrogen in both ammonium sulfate and ammonium nitrate. Which row gives the correct results?
- A10.6 and 17.5
- B10.6 and 35.0
- C21.2 and 35.0
- D21.2 and 17.5
As printed in the paper
Show the answer
Correct answer: C. 21.2 and 35.0
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.