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EquilibriumMCQ

What is the pH of a 1.00 L sample of a buffer solution containing 0.10 mol of benzoic acid and 0.10 Equilibrium Chemistry Question

Question

What is the pH of a 1.00 L sample of a buffer solution containing 0.10 mol of benzoic acid and 0.10 mol of sodium benzoate to which 0.010 mol of NaOH has been added? [Ka benzoic acid = 6.5 × 10–5]

A.

4.27

✓ Correct
B.

4.23

C.

4.15

D.

4.10

💬
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