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1.
There are a number of ways to express concentration
of a solution. This includes molarity. Molarity is expressed as the number of
moles of solute per volume of the solution. The concentration of the solution
is calculated as follows:

 

Molarity = 612 g (1 mol / 110.96 g) / 3.04 L

Molarity = 1.81 M

1.81 M is the polarity of a solution that contains 612 grams of CaCl2 in 3.04 liters of solution.

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