C1 Quantitative Chemistry
The mass number of an atom is its total number of protons and neutrons. Isotopes are atoms of an element with different numbers of neutrons. The relative formula mass of a compound is found by adding together the relative atomic masses of all the atoms in the formula of the compound. The relative formula mass of a substance in grams is one mole of that substance.
You should be able to calculate the masses of reactants and products from balanced equations, and the percentage composition by mass of an element in a compound.
Higher tier students should also be able to calculate the percentage yield of a reaction, and the empirical formula of a compound from information about reacting masses.
You should be able to calculate the masses of reactants and products from balanced equations, and the percentage composition by mass of an element in a compound.
Higher tier students should also be able to calculate the percentage yield of a reaction, and the empirical formula of a compound from information about reacting masses.
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