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Concentration and Molarity

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A. Explain how to prepare 25 liters of a 0.10 M BaCl2 solution, starting with solid BaCl2.
b. Specify the volume of the solution in (a) needed to get 0.020 mol of BaCl2.

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a. Molarity is an expression of the moles of solute per liter of solution, which can be written:

molarity (M) = moles solute / liters solution

Rearranging this equation, we get:

moles solute = molarity x liters solution

So, for this ...

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