Calculate the aqueous solubility, in moles per liter, of each of the following,
(a) $\mathrm{BaCrO}_4, K_{\text {sp }}=1.2 \times 10^{-10}$

Explain why two 0.23- $m$ aqueous solutions, one of $\mathrm{CaCl}_2$ and the other of $\mathrm{NaCl}$, do not freeze at the same temperature.

How would you prepare the following aqueous solutions?
(a) $2.5 \mathrm{~L}$ of $0.65 \mathrm{M} \mathrm{NaCl}$ from solid $\mathrm{NaCl}$

What are the resulting spectator ions when aqueous solutions of $\text{Rb}_2\text O$ and $\text{CaCl}_2$ are added together?

What happens to $\left[\mathrm{OH}^{-}\right]$in an aqueous solution when $\left[\mathrm{H}_3 \mathrm{O}^{+}\right]$increases?

Magnesium is obtained by electrolysis of molten $\mathrm{MgCl}_2$.

Why isn't an aqueous solution of $\mathrm{MgCl}_2$ used in the electrolysis?

What is the pH of a $0.015 \; \text M$ aqueous solution of hydrazoic acid $(\text{HN}_3)$ $(K_a = 1.9 \times 10^{–5})$ at 25°C?

Calculate the aqueous solubility, in moles per liter, of each of the following,
(c) $\mathrm{CeF}_3, K_{s p}=8 \times 10^{-16}$

Bromine can be prepared by adding chlorine to an aqueous solution of sodium bromide. The reaction equation is $2 \mathrm{NaBr}(a q)+\mathrm{Cl}_{2}(g) \rightarrow \mathrm{Br}_{2}(l)+2 \mathrm{NaCl}(a q)$ How many grams of bromine are formed if a solution containing 25.0 grams of aqueous NaBr(s) and 25.0 grams of $\mathrm{Cl}_{2}(g)$ are reacted?

The first statin to be marketed was lovastatin, which occurs naturally in oyster mushrooms. When lovastatin is treated with aqueous acid, what hydrolysis products are formed?

What is the molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K$_2$Cr$_2$O$_7$ to 500 mL?

To analyze a text carefully, one must use specific words to describe the humor and explain the intended effect. Define terms and to understand the nuances of words with similar denotations (definitions).

$$\begin{array}{|c|l|c|}\hline{\text { Words to }} & \text{Denotation}& \text{Connotations} \\ {\text { Describe Humor }} \\ \hline \text{amusing}\\ \hline{\text {cute}} \\ \hline{\text {facetious}}\\ \hline{\text {hysterical}}\\\hline {\text {ironic}}\\ \hline{\text {irreverent}}\\\hline {\text {laughable}}\\\hline {\text {light-hearted}}\\ \hline{\text {ludicrous}}\\ \hline{\text {mocking}}\\ \hline{\text {sarcastic}}\\\hline {\text {satirical}}\\ \hline{\text {witty}} \end{array}$$

Explain your response to this text. I think this text is:

$$\text { hilorious } \quad \text { funny } \quad \text { clever } \quad \text { ridiculous } \quad \text { because } \ldots$$

Discuss the parts of the text that made you laugh, and describe how the connotative words help create the humor.

Calculate the $[\mathrm{H}_3 \mathrm{O}^{+}]$of each aqueous solution with the following $[\mathrm{OH}^{-}]$:

ammonia, $5.6 \times 10^{-3} \mathrm{M}$