Which of the following statements is true?

a. Nonpolar solvents are useful for dissolving polar solutes.
b. Polar solvents are useful for dissolving nonpolar solutes.
c. Nonpolar solvents are not useful because they do not form solutions with water.
d. Nonpolar solvents are useful for dissolving nonpolar solutes




Stir 500 g of cesium chloride into 200 g of water at 20°C. If 127 g sink to the bottom of the
container, what is the solubility of cesium chloride per 100 g of water at 20°C?

a. 186.5
b. 373
c. 127
d. 286.5