Question

Like sulfuric acid, selenic acid (H2SeO4) is a diprotic acid that has a very large value...

Like sulfuric acid, selenic acid (H2SeO4) is a diprotic acid that has a very large value of Ka1.

Part A:

Calculate the pH in 0.20 M H2SeO4 (Ka2=1.2×10−2). Answer found to be 0.68

Part B

Calculate the concentration of H3O+.

Part C

Calculate the concentration of H2SeO4.

Part D

Calculate the concentration of HSeO−4.

Part E

Calculate the concentration of SeO2−4.

Part F

Calculate the concentration of OH−.

I need help with B-F

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