Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

Which pair of formulae is the right one?

  • A$\text{Ag}_2\text{CO}_3$ and $(\text{NH}_4)_3\text{NO}_3$
  • B$\text{K}_2\text{HCO}_3$ and $\text{Zn}_3(\text{PO}_4)_2$
  • C$\text{AgHCO}_3$ and $\text{K}_3\text{PO}_4$
  • D$\text{ZnCO}_3$ and $(\text{NH}_4)_2\text{PO}_4$

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