Why do you think scientists add excess of one or more chemicals when performing a reaction rather than combine the exact stoichiometric ratio?

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30-03-2017
Chemistry

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Why do you think scientists add excess of one or more chemicals when performing a reaction rather than combine the exact stoichiometric ratio?

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meerkat18 meerkat18 · Answer 1 · 2017-04-12T19:34:53+02:00

The mistake in the experiment is diminished in that you might be uncertain in your estimation of both materials. With just a single estimation, there are fewer blunders. A researcher will pick constraining and abundance materials as a rule by their simplicity of estimation. A strong is more effortlessly measured than a gas, for instance. In burning responses, oxygen gas is in abundance, as it is not effectively checked all through the response.

Oseni Oseni · Answer 2 · 2022-03-22T12:12:48+01:00

Adding an excess of one or more chemicals during reactions instead of combining the exact stoichiometric ratio reduces the margin of errors in experiments.

Error minimization

With one or more reactants being in excess during a reaction, the chances that one of the other reactants (limiting reactants) will be completely consumed in the reaction becomes certain.

Thus, a correct estimation of the products would be made knowing the exact amount of the excess reactants consumed during the reaction.

Using the exact stoichiometric ratio will increase the likelihood of errors in estimating yields from the reaction.

More on excess reactants can be found here: https://brainly.com/question/14449229