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pH of Weak Acids

pH of Weak Acids

17. Acid and Base Equilibrium / pH of Weak Acids / Problem 6

What is the pH of 0.450 M H HF solution? Can we apply the assumption that x is small?

ANSWERS OPTIONS

A

The pH of the solution is 1.76. We can assume that x is small.

B

The pH of the solution is 3.18. We can assume that x is small.

C

The pH of the solution is 3.53. We cannot assume that x is small.

D

The pH of the solution is 0.35. We cannot assume that x is small.

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