Excess

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Andrew Hong
Posts: 80
Joined: Fri Sep 29, 2023 10:42 am

Excess

Postby Andrew Hong » Mon Oct 23, 2023 9:50 pm

Hello, I was wondering how to find the amount of excess reactant if I know the limiting reactant already.
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Sydney Kim 3L
Posts: 96
Joined: Fri Sep 29, 2023 11:38 am

Re: Excess

Postby Sydney Kim 3L » Mon Oct 23, 2023 9:51 pm

Use the balanced chemical equation to relate the moles of the limiting reactant to the moles of the excess reactant. Since you know the amount of limiting reactant used, you can use the mole ratio to find out how much of the excess reactant would theoretically be consumed in the reaction.
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