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6. In a titration, 2.7cm3 of 0.100moldm3 sodium hydroxide, NaOH, solution is added to 25.0cm3 of 0.125moldm3 benzoic acid, C6H5COOH, solution. Calculate the pH of

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6. In a titration, 2.7cm3 of 0.100moldm3 sodium hydroxide, NaOH, solution is added to 25.0cm3 of 0.125moldm3 benzoic acid, C6H5COOH, solution. Calculate the pH of the resulting solution given that the pKa of benzoic acid is 4.19. A. 3.13 B. 4.12 C. 7.45 D. 9.12 7. The solubility of gold (III) chloride is 1.0E4g/L. What is the solubility product of AuCL3 ? A. 1.0E16 B. 2.7E15 C. 5.0E4 D. 3.2E25

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