Asked by john
A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution?
is 1.05 g/ml. the concentration of CaCl2 is ________% by mass.
answer: 5.94
can someone tell me the steps?
is 1.05 g/ml. the concentration of CaCl2 is ________% by mass.
answer: 5.94
can someone tell me the steps?
Answers
Answered by
DrBob222
You don't need the density, only the definition of mass percent.
mass percent = (mass solute/mass soln)*100 = ??
You have 23.7 g solute in (375+23.7 = 398.7) grams solution.
(23.7/398.7)*100 = 5.94% by mass.
mass percent = (mass solute/mass soln)*100 = ??
You have 23.7 g solute in (375+23.7 = 398.7) grams solution.
(23.7/398.7)*100 = 5.94% by mass.
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