Chapter 7, Problem 7.12E

Classify each of the following solutes into the approximate solubility categories of Table $7.3$. The numbers in parentheses are the grams of solute that will dissolve in $100\text{g}$ of water at temperature indicated.

a. barium nitrate, $\text{Ba}{\left({\text{NO}}_{\text{3}}\right)}_2\left(8.7\text{g}\text{at}2\text{0}°\text{C}\right)$

b. aluminum oxide, ${\text{Al}}_{\text{2}}{\text{O}}_{\text{3}}\left(9.8\times {10}^{-5}\text{g}\text{at}29°\text{C}\right)$

c. calcium sulfate, ${\text{CaSO}}_4\left(0.21\text{g}\text{at}30°\text{C}\right)$

d. manganese chloride, ${\text{MnCl}}_{\text{2}}\left(72.3\text{g}\text{at}25°\text{C}\right)$

e. lead bromide, ${\text{PbBr}}_{\text{2}}\left(0.46\text{g}\text{at}0°\text{C}\right)$