Answered

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If 2.5L of solution is diluted to prepare 1.7L of a 0.8M solution, what was the original concentration?

Sagot :

Answer:

0.544 M

Explanation:

First find the moles in the final solution

0.8 mols/L *1.7L

1.36 mols

so there is 1.36 mols in 2.5L

concentration will be 1.36/2.5

0.544 M

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