Using chemical equations, show how the triprotic acid H3PO4H3PO4 ionizes in water. Phases are optional. Ka1:   Ka2:   Ka3:

A solution is made by dissolving 13.9 g of HONH:CIO3 in 500.0 mL of water. Does HONH3* have any acidic or basic properties? A) Yes, it is acidic as it is the conjugate of a weak base. B) Yes, it is a weak base. C) Yes, it is base as it is the conjugate of a weak acid. D) It has no acidic or basic properties.

For each of the following entities • Identify it as a strong or weak acid. • Select the correct arrow to show the changes that occur when the acids are placed in water. • Select the approximate pH for each resulting solution. HCI(aq) is classified as a + acid. The reaction equation with water utilizes which of the following arrows? Choice A Choice B 7 >>7 H2SO3(aq) is classified as a The reaction equation with water would utilize which of the following arrows? Choice A Choice B < 50% H2SO3(aq) + H20(I) • HSO3 (aq) + H30*(aq) The approximate pH of the solution would be

Assuming 0.1 M concentrations, arrange the following acid solutions in order of increasing pH. benzoic acid, HC7H5O2, Ka ≡ 6.3 × 10−5 chlorous acid, HClO2, Ka ≡ 1.1 × 10−2 formic acid, HCHO2, Ka ≡ 1.8 × 10−4 hydrofluoric acid, HF, Ka ≡ 6.8 × 10−4