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Reacting masses HELP|Chemistry

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    • Thread Starter

    Okay, I'm struggling on reacting masses. I understand that you can be asked to work out the mass of a product or the mass of a reactant, however I don't know how to go about doing it, if anyone could offer me a really good method for both ways it would be greatly appreciated, thank you so much.

    By the way I have looked at other sources to see how I could approach these questions but they are very confusing.
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