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So i cant give you a three i only say to you is go at math module page 109-110


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Well, that would depend on how the equation was written. For example, the equation …

2Na(s) + 2H2O(l) -------> H2(g) + 2NaOH(aq)

gives you the following information:

1. It tells you the formulas of the reactants and products.

2. It tells you that, at a molecular level, 2 atoms of sodium will react with 2 molecules of water to give 1 molecule of H2 and 2 ‘molecular units’ of sodium hydroxide.
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