You Have a 10

Multiple Choice

You have a 10.40-g mixture of table sugar (C₁₂H₂₂O₁₁) and table salt (NaCl) . When this mixture is dissolved in 150. g of water, the freezing point is found to be -2.24°C. Calculate the percent by mass of sugar in the original mixture. (Assume that the NaCl is completely dissociated.)

A) 61.0%
B) 53.8%
C) 46.2%
D) 39.0%
E) none of these