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Author Question: Sulfurous acid, H2SO3 has acid dissociation constants Ka1 = 1.5 10-2 and Ka2 = 6.3 10-8. What is ... (Read 423 times)

cnetterville

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Question 1

What is the pH of the resulting solution if 25 mL of 0.432 M methylamine, CH3NH2, is added to 15 mL of 0.234 M HCl? Assume that the volumes of the solutions are additive. Ka = 2.70 × 10-11 for CH3NH3+.
◦ 10.89
◦ 3.74
◦ 10.26
◦ 3.11

Question 2

Sulfurous acid, H2SO3 has acid dissociation constants Ka1 = 1.5 × 10-2 and Ka2 = 6.3 × 10-8. What is the pH after 10.00 mL of 0.1000 M NaOH is added to 10.00 mL of 0.1000 M H2SO3?
◦ 1.82
◦ 7.20
◦ 4.25
◦ 3.60


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Marked as best answer by cnetterville on Feb 15, 2020

ilianabrrr

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