What Concentration of HF (K_a = 7

question 55

Multiple Choice

What concentration of HF (K_a = 7.2 × 10^-4) has the same pH as that of 0.070 M HCl?

• A) 6.8 M
• B) 5.0× 10^-6 M
• C) 1.0 × 10^-2 M
• D) 0.070 M
• E) 0.15 M

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