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tabbywitherite84
29.10.2020 •
Chemistry
In a certain chemical reaction Compound combines with Compound to produce Compound (and no other products). Measurements were taken of the amounts of and present before and after a reaction that produced some :
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Ответ:
2.1 g
Explanation:
The question is incomplete and the complete question is shown in the image attached to this answer.
Now look at that image closely; you will notice that:
i) Reactant A is the limiting reactant because it was used up in the reaction.
ii) Reactant B is the reactant in excess because some mass of it was left behind after the reaction.
The mass of the product C formed is the same as the mass of the limiting reactant used up. Hence the theoretical yield of C is 2.5 g
% yield = actual yield/theoretical yield * 100
since = 83%
Actual yield = %yield * theoretical yield/ 100
Actual yield = 83 * 2.5/100
Actual yield = 2.075 g
Ответ: