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Moles and Molarity Pproblems

A 12.0% sucrose solution has a density of 1.05g/cm^3. The number that gives the best value for the mass of sugar in 55mL of this solution is? I need step by step answer for this question please.

What is the Molarity(m) of a solution that contains 73.5g of 1,4-dichlorobenzene,C6H4Cl2, in 500mL of carbon tetrachloride? (The density of CCl4 is 1.60g/mL).

Determine the freezing point of a .25m solution of glucose in water.(kf for water is 1.86degree C/m)

Solution Summary

Solution solves 3 problems of mass, molarity, and the freezing point of various solutions. Attached in word; steps shown.