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What volume of concentrated 1.5M is required to prepare 25 mL of a 7.0M solution?

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1 point What volume of concentrated 1 5M is required to prepare 25 mL of a 7 0M solution Answer in liters Type your answer

Answer :

The volume of the concentrated 1.5 M solution required to prepare 25 mL of a 7.0 M solution is 0.117 L or 117 mL.

To solve the problem, we use the formula M1V1 = M2V2, which relates the initial concentration and volume of the concentrated solution (M1V1) to the final concentration and volume of the diluted solution (M2V2). In this case, we are given the final concentration (M2 = 7.0 M), the final volume (V2 = 25 mL), and the initial concentration (M1 = 1.5 M), so we can solve for the initial volume (V1) of the concentrated solution that we need to use.

We rearrange the formula to solve for V1, which gives us V1 = (M2 x V2) / M1. We substitute the given values into this equation, and we get V1 = (7.0 M x 0.025 L) / 1.5 M = 0.117 L or 117 mL.

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