Moles. A balloon,a flask and a beaker,each containing one mole of a substance. One mole is a quantity used to compare mass and volume. It is defined as the number of atoms in exactly 12 grams of carbon-12,equivalent to 6.02 x 103 atoms. One mole of a compound contains that number of its basic units. The balloon contains one mole of a gas. The beaker contains one mole of a crystalline salt and the flask contains one mole of copper (II) sulphate in one litre of water ( a one molar solution) | |
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