Question

Q. 1. Sulfuric acid is a diprotic acid. It'sa two stages of ionization is shown below. H2SO4 (aq) g ? H+ + HSO4- (aq) pKa = ??? HSO4- (aq) ? H+ + SO42- pka = 1.991 Use your text to find relevant information to determine the following: a) Calculate the concentration of HSO4- & SO42- ion in a 0.5000 M H2SO4 solution b) Determine the pH of the solution to the correct number of significant figures. Q2. 42.0 g NaHCO3 is added to 500 ml of water, What is the pH ?

          Q. 1. Sulfuric acid is a diprotic acid. It'sa two stages of ionization is shown below.
H2SO4 (aq) g ? H+ + HSO4- (aq) pKa = ???
HSO4- (aq) ? H+ + SO42- pka = 1.991
Use your text to find relevant information to determine the following:
a) Calculate the concentration of HSO4- & SO42- ion in a 0.5000 M H2SO4 solution
b) Determine the pH of the solution to the correct number of significant figures.
Q2. 42.0 g NaHCO3 is added to 500 ml of water, What is the pH ?

Q. 1. Sulfuric acid is a diprotic acid. It'sa two stages of ionization is shown below.
H2SO4 (aq) g ? H+ + HSO4- (aq) pKa = ???
HSO4- (aq) ? H+ + SO42- pka = 1.991
Use your text to find relevant information to determine the following:
a) Calculate the concentration of HSO4- SO42- ion in a 0.5000 M H2SO4 solution
b) Determine the pH of the solution to the correct number of significant figures.
Q2. 42.0 g NaHCO3 is added to 500 ml of water, What is the pH ?

Added by Kevin H.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

04/20/2023

Step 1

5000 M H2SO4 solution. Since the first ionization of H2SO4 is very strong (pKa1 = -3), we can assume that it ionizes completely. Therefore, the concentration of HSO4- ions will be equal to the initial concentration of H2SO4: [HSO4-] = 0.5000 M Now, we need to Show more…

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Q. 1. Sulfuric acid is a diprotic acid. It'sa two stages of ionization is shown below: H2SO4 (aq) g → H+ + HSO4- (aq) pKa = ??? HSO4- (aq) ↔ H+ + SO42- pka = 1.991 Use your text to find relevant information to determine the following: a) Calculate the concentration of HSO4- & SO42- ion in a 0.5000 M H2SO4 solution b) Determine the pH of the solution to the correct number of significant figures. Q2. 42.0 g NaHCO3 is added to 500 ml of water, What is the pH ?