Problem: 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.a) 0.0632 b) 6.32 c) 6.24 d) 5.94 e) 0.0594

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FREE Expert Solution

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:


mass percent = mass componenttotal mass×100

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Problem Details

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.

a) 0.0632 

b) 6.32 

c) 6.24 

d) 5.94 

e) 0.0594


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