# Chemistry

To what volume should you dilute 124 mL of an 8.10 M CuCl2 solution so that 52.0 mL of the diluted solution contains 5.9 g CuCl2

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1. You want 5.9 g CuCl2 in 52.0 mL. The molar mass CuCl2 is 134.451 so
5.9/134.451 = 0.0439 moles.
That in 52.0 mL = 0.0439 moles/0.052 L = 0.844 M is the concn of the solution you want to end up with.
124 mL x 8.10M = ?? mL x 0.844M
Solve for ?? mL and that will be the volume needed for the dilution. Then you should check it to see that 52.0 mL contains 5.9 g of CuCl2.

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posted by DrBob222
2. wrong

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