Problem 15
Identify the conjugate acid-base pairs in this reaction. \(\mathrm{HSO}_{4}^{-}+\mathrm{PO}_{4}^{3-} \rightarrow \mathrm{SO}_{4}^{2-}+\mathrm{HPO}_{4}^{2-}\)
Problem 15
When \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) dissolves in \(\mathrm{H}_{2} \mathrm{O}\), both ions hydrolyze. Write chemical equations for both reactions. Can you tell if the solution will be acidic or basic overall?
Problem 16
What is the pOH of a solution when [OH \(\left.^{-}\right]\) is 0.0222 M?
Problem 16
What are \(\left[\mathrm{H}^{+}\right]\) and \(\left[\mathrm{OH}^{-}\right]\) in a \(2.86 \mathrm{M}\) solution of \(\mathrm{HBr}\) ?
Problem 16
When pyridinium acetate (C \(5 \mathrm{H}_{5} \mathrm{NHC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\) ) dissolves in \(\mathrm{H}_{2} \mathrm{O}\), both ions hydrolyze. Write chemical equations for both reactions. Can you tell if the solution will be acidic or basic overall?
Problem 16
Identify the conjugate acid-base pairs in this reaction. \(\mathrm{HClO}_{3}+\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N} \rightarrow \mathrm{ClO}_{3}^{-}+\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{NH}^{+}\)
Problem 16
What is the pOH range for a basic solution?
Problem 17
The concentration of commercial HCl is about \(12 \mathrm{M}\). What is its \(\mathrm{pH}\) and \(\mathrm{pOH}\) ?
Problem 17
A lab technician mixes a solution of \(0.015 \mathrm{M} \mathrm{Mg}(\mathrm{OH})_{2}\). Is the resulting \(\mathrm{OH}^{-}\) concentration greater than, equal to, or less than 0.015 M? Explain your answer.
Problem 17
If a solution has a pH of 0.77 , what is its \(\mathrm{pOH}\), \(\left[\mathrm{H}^{+}\right]\), and \(\left[\mathrm{OH}^{-}\right]\) ?
