1
QuizMultiple Choice
Measures of Concentration: Molality and Other Calculations
Question 1 • *25-26 KCS18 Chemistry IC
The concentration of 150.0 mL of Na2CO3 is found to be 30.0 ppm. What mass of Na2CO3 is dissolved in the solution if the density of the solution is 0.750 g/mL?Use .
Answer
A
3.75 10-6 g
B
1.13 10-4 g
C
3.38 10-3 g
D
4.50 10-3 g