We are being asked to find the concentration of CaCl2 (in % by mass) in the solution prepared.
Mass or weight percent (% by mass) is the percentage of a given element or compound within a solution.
The equation used to calculate for mass percent is shown below:
A solution is prepared by dissolving 23.7 g of CaCl 2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 is __________ % by mass.
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