Chemistry Homework Help

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34 solutions

Diprotic Acid

Q. What is the (SeO3^2-) in a 0.036 M selenous acid solution?

Solved • Apr 26, 2020

Diprotic Acid

Q. What is the pH of a 0.036 M selenous acid solution?

Solved • Apr 26, 2020

Diprotic Acid

Q. What is the final pH of a solution with an initial concentration of 2.5mM Ascorbic acid (H2C6H6O6) which has the following Kas: 7.9x10-5 and 1.6x10-12

Solved • Apr 22, 2020

Diprotic Acid

Q. Aspartic acid (C4H7NO4), one of the 20 essential amino acids, has two ionizable hydrogens. At 25°C, Ka1 = 1.38 × 10–4 and Ka2 = 1.51 × 10–10. What is the concentration of doubly ionized aspartate ions in a 0.125 M aqueous solution of aspartic acid?

Solved • Apr 20, 2020

Diprotic Acid

Q. The concentration of a carbonic acid (H2CO3) solution is 0.0042 M. Ka1 and Ka2 for carbonic acid are 4.3 x 10−7 and 5.6 x 10−11, respectively. (a) Calculate pH of this solution.

Solved • Apr 6, 2020

Diprotic Acid

Q. Write the equations that represent the first and third ionization steps for phosphoric acid (H3PO4) in water. (Use H3O^+ instead of H^+)

Solved • Mar 5, 2020

Diprotic Acid

Q. Write the equations that represent the first and second ionization steps for sulfuric acid (H2SO4) in water. (Use H3O^+ instead of H^+)

Solved • Mar 5, 2020