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In: Chemistry

a) What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL...

a) What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL of a solution with a pH of 2.61?

b) An unknown weak base with a concentration of 0.0910 M has a pH of 11.70. What is the Kb of this base?

c) What is the pH of a 0.500 M solution of HF (Ka = 6.8 × 10⁻⁴)

d) A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.16 M solution of H₂A?

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