1.3.1: Balance chemical equations when all reactants and products are given. Distinguish between coefficients and subscripts.
1.3.2: Identify the mole ratios of any two species in a balanced chemical equation. Use balanced chemical equations to obtain information about the amounts of reactants and products.
1.3.3 Apply the state symbols (s), (l), (g) and (aq). Encourage the use of state symbols in chemical equations.
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