Chemistry Homework Help

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34 solutions

Diprotic Acid

Q. Which of the following is a diprotic acid? a) nitric acid b) sulfuric acid c) acetic acid d) phosphoric acid e) hydrochloric acid

Solved • Nov 13, 2019

Diprotic Acid

Q. Find the pH of a 0.015 M solution of Tartaric acid and the percentage of Tartaric acid remaining in the acid form at equilibrium

Solved • Nov 7, 2019

Diprotic Acid

Q. Which of the following pictures represents a solution of a weak diprotic acid, H2A? (Water molecules have been omitted for clarity.) Which pictures represent an impossible situation? Explain.

Solved • Oct 29, 2019

Diprotic Acid

Q. Calculate the pH and [S2-] in a 0.1 M H2S solution. Assume Ka1 = 1 x 10^-7 and Ka2 = 1 x 10^-19

Solved • Oct 24, 2019

Diprotic Acid

Q. For a 0.384 solution of H2C6H6O6, calculate both the pH and the C6H6O6^2- ion concentration. State symbols are not shown for water or the aqueous species in the reaction equations. H2C6H6O6 + H2O ⇌ H3O^+ + HC6H6O6^- Ka1 = 7.9x10^-5 HC6H6O6^- + H2O ⇌ H3O^+ + C6H6O6^2- Ka2 = 1.6x10^-12

Solved • Oct 22, 2019

Diprotic Acid

Q. Find the [CO32−] of the 0.050 M carbonic acid (H2CO3) solution.

Solved • Oct 18, 2019

Diprotic Acid

Q. Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants: Ka1 = 5.9x10^-2, Ka2 = 6.4x10^-5 Calculate the equilibrium concentration of H3O^+ in a 0.20 M solution of oxalic acid. Express your answer to two significant figures and include the appropriate units.

Solved • Oct 11, 2019