Reto educativo 11 oblemario. strucciones: resuelve los siguientes ejercicios acerca de la ley de Henry (Chang, 2007). egistro de evaluación con el anexo 2. 3. Calcula la solubilidad molal del dióxido de carbono en agua a \( 298^{\circ} \mathrm{K} \) y una presion de \( \mathrm{CO}_{2} \) de \( 3.3 \times 10^{-4} \mathrm{~atm} \), que corrsponde a la presión parcial del \( \mathrm{CO}_{2} \)

\( + P _ { 6 } + PbO _ { 2 } + H _ { 2 } SO _ { 4 } \rightarrow PbSO _ { 4 } + H _ { 2 } O \)

\begin{tabular}{ll}\hline HCN \\ \hline \( \mathrm{NO}_{2}^{-} \) \\ \hline \hline \( \mathrm{CN}^{-} \) \\ \hline \( \mathrm{HNO}_{2} \) & and acid and base on the reactant side are \( \square \), respectively. \\ \hline\end{tabular}

\( 9.00 \times 10^{-3} \mathrm{~mol} \) of HBr are dissolved in water to make 19.0 L of solution. What is the concentration of hydroxide ions, \( \left[\mathrm{OH}^{-}\right] \), in this solution? Express your answer with the appropriate units. View Available Hint(s)

ANALYZE Compare the number of atoms of each element on both sides of each chemical equation. Select the equations that are balanced. \( \square \mathrm{A} . \mathrm{C}_{2} \mathrm{H}_{6}+5 \mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}+3 \mathrm{H}_{2} \mathrm{O} \) \( \square \mathrm{B} .3 \mathrm{CO}+\mathrm{Fe}_{2} \mathrm{O}_{3} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_{2} \) \( \square \mathrm{C} . \mathrm{H}_{2} \mathrm{SO}_{4}+2 \mathrm{NaOH} \rightarrow \mathrm{Na}_{2} \mathrm{SO}_{4}+2 \mathrm{H}_{2} \mathrm{O} \) \( \square \mathrm{D} .2 \mathrm{AgNO}_{3}+\mathrm{CaCl}_{2} \rightarrow 2 \mathrm{AgCl}+\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2} \)

If the \( \left[\mathrm{H}_{3} \mathrm{O}^{+}\right] \)is less than \( \left[\mathrm{OH}^{-}\right] \)in aqueous solution, then the solution is said to be