Chemistry · Oct / Nov 2020 · Paper 11 · Question 14

5070The mole and the Avogadro constant

Compound X has a composition by mass of 63.6 % nitrogen and 36.4 % oxygen. What is the empirical formula of X?

1. AN2O
2. BNO
3. CNO2
4. DN2O4

As printed in the paper

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