Question

a) pKa = 4.74

b) pKa = 6.37

c) pKa = 4.74

d) pKa = 1.99
Determine the pH of a buffer created by adding these solutions toge a 50 mL 0.50M acetic acid and 50 mL 0.50M sodium acetate

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Answer #1


millimols of acetic acid = 5080.50= 25 sodium acetate = 25 pH =pka + log (saltlacid ) -4.74 +10g TpH = 4.74 6) mmoly of H2CO3

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