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Calculate the Percent by Mass of Potassium Nitrate in a Solution

Question 18

Multiple Choice

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water at 25ºC. At this temperature, the density of water is 0.997 g/mL.


A) 1.51%
B) 7.57%
C) 13.3%
D) 15.2%
E) 86.7%

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