Problem 4
Metal oxides are considered basic because they react with \(\mathrm{H}_{2} \mathrm{O}\) to form OH compounds. Write the chemical equation for a reaction that forms a base when \(\mathrm{CaO}\) is combined with \(\mathrm{H}_{2} \mathrm{O}\).
Problem 4
Which combinations of compounds can make a buffer? Assume aqueous solutions. a) \(\mathrm{H}_{3} \mathrm{PO}_{4}\) and \(\mathrm{Na}_{3} \mathrm{PO}_{4}\) b) \(\mathrm{NaHCO}_{3}\) and \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) c) \(\mathrm{NaNO}_{3}\) and \(\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}\) d) \(\mathrm{HN}_{3}\) and \(\mathrm{NH}_{3}\)
Problem 4
What are some general properties of Arrhenius bases?
Problem 4
Identify each as a strong base or a weak base. Assume aqueous solutions. a) \(\mathrm{NaOH}\) b) \(\mathrm{Al}(\mathrm{OH})_{3}\) c) \(\mathrm{C}_{4} \mathrm{H}_{9} \mathrm{NH}_{2}\)
Problem 4
Write the dissociation of nitric acid in water as a Bronsted-Lowry acid-base reaction and identify the proton donor and proton acceptor.
Problem 4
What is the \(\mathrm{pH}\) range for a basic solution?
Problem 5
What is \(\left[\mathrm{H}^{+}\right]\) for a neutral solution?
Problem 5
Write a chemical equation for the ionization of each acid and indicate whether it proceeds \(100 \%\) to products or not. a) \(\mathrm{HNO}_{3}\) b) \(\mathrm{HNO}_{2}\) c) \(\mathrm{HI}_{3}\)
Problem 5
Write the balanced chemical equation between aluminum hydroxide and sulfuric acid.
Problem 5
Write the chemical equation for the autoionization of water and label the conjugate acid-base pairs.
