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The K_a of an Acid Is _____, If Its PK_a $60 ^ { \circ } \mathrm { C }$

Question 47

Multiple Choice

The K_a of an acid is _____, if its pK_a is equal to 5.74 at $60 ^ { \circ } \mathrm { C }$ .

A) 2.45×10^-3
B) 6.67×10^-5
C) 5.98×10^-6
D) 1.82×10^-6
E) 3.68×10^-5

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