Selenous acid is a weak diprotic acid with formula H2SeO3. Its first pKa value is 2.5 and its second is 7.3. To one decimal place, what is the pH of a 1 molar solution of sodium hydroselenite, the amphiprotic salt of selenous acid?
✔️Answer:4.9
🚀
Take Your Prep to the Next Level
Practice with interactive modes, adaptive testing, and detailed stats on our main app.