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Hello, I'm in Ap chem and have a lab due tonight. in the lab we had...

Hello, I'm in Ap chem and have a lab due tonight. in the lab we had to determine the mole ratio between cucl2 and na2hpo4 which was 1:1. one of the questions asked whether it mattered if the molarities of the two solutions were the same. during the experiment, we made both the solutions with .5M, but could we still determine the ratio if they were different molarities? please provide an explanation because I'm so confused! thank you.

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Answer #1

Solution :-

Reaction equation

CuCl2 + Na2HPO4 ---- > CuHPO4 + 2NaCl

Mole ratio of the reactant with each other is 1 : 1

So in the reaction no matter what concentration we use for each reactant, the mole ratio is remain same because the mole ratio is does not dependent on the molarities of the solutions of reactant.

So we can determine the mole ratio using the different molarities of the solution.

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