A 1.0L buffer solution contains 0.100 molHC2H3O2 and 0.100 molNaC2H3O2. The value of Ka for HC2H3O2 is 1.8×10−5. Part A...

Question

Question

A 1.0L buffer solution contains 0.100 molHC2H3O2 and 0.100 molNaC2H3O2. The value of Ka for HC2H3O2 is 1.8×10−5.

Part A

Calculate the pH of the solution upon the addition of 0.015 mol of NaOH to the original buffer.

Express your answer to two decimal places.

Part B

Calculate the pH of the solution upon the addition of 10.0 mL of 1.00 MHCl to the original buffer.

Express the answer to two decimal places.

Answer 1

Answer #1

when NaOH ii added 0.085 CH₂COOH + NaOH CH₃COONa & HO Initially 0.1 0.015 Onl after reach 0.1-0.015 20 O.to.015 -0.085 -0.115

Answer 2

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