Note AcademyNote Academy
Start

Chemistry · May / June 2018 · Paper 11 · Question 24

5070The mole and the Avogadro constant

What are the percentages by mass of nitrogen in ammonium nitrate, NH4NO3, and in calcium nitrate, Ca(NO3)2?

  1. A% nitrogen in NH4NO3: 18; % nitrogen in Ca(NO3)2: 14
  2. B% nitrogen in NH4NO3: 18; % nitrogen in Ca(NO3)2: 17
  3. C% nitrogen in NH4NO3: 35; % nitrogen in Ca(NO3)2: 9
  4. D% nitrogen in NH4NO3: 35; % nitrogen in Ca(NO3)2: 17

As printed in the paper

Show the answer

Correct answer: D. % nitrogen in NH4NO3: 35; % nitrogen in Ca(NO3)2: 17

Sit this whole paper →More on The mole and the Avogadro constant

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.