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What Concentration of HF (K_a = 7

Question 1

Multiple Choice

What concentration of HF (K_a = 7.2  10^-⁴) has the same pH as that of 0.069 M HCl?

A) 6.6 M
B) 5.0  10^-⁶ M
C) 1.0  10^-²M
D) 0.069 M
E) 0.15 M

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