84. Calculate the molality of a solution that contains 51.2g of nephthalene, in 500 mL of carbon tetrachloride. The density of
CCl4 of 1.60 g/ml
a. 0.250 m
b. 0.500 m
c. 0.750 m
d. 0.840 m
e. 1.69 m
Ans. b
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