Chemistry 0620 · IGCSE · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

What quantities of chemicals will react exactly, with no reactants remaining?

  • A12 g of carbon and 12 g of oxygen
  • B12 g of carbon and 48 g of oxygen
  • C12 g of magnesium and 16 g of oxygen
  • D24 g of magnesium and 16 g of oxygen

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