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Multiple Choice
What is the ionic molality of sodium ions in a solution of 25.7 g NaNO3 dissolved in enough water to make a 150.0 mL of solution? Density of the solution is 1.02 g/mL.
A
1.98 m
B
2.57 m
C
4.74 m
D
2.37 m
0:40m
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