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What Is the Hydronium Ion Concentration of a 0

Question 31

Multiple Choice

What is the hydronium ion concentration of a 0.400 M acetic acid solution with Ka = 1.8 × 10-5? The equation for the dissociation of acetic acid is: What is the hydronium ion concentration of a 0.400 M acetic acid solution with K<sub>a</sub> = 1.8 × 10<sup>-5</sup>? The equation for the dissociation of acetic acid is: A) 2.7 × 10<sup>-2</sup> M B) 4.2 × 10<sup>-2</sup> M C) 2.7 × 10<sup>-3</sup> M D) 4.2 × 10<sup>-3</sup> M


A) 2.7 × 10-2 M
B) 4.2 × 10-2 M
C) 2.7 × 10-3 M
D) 4.2 × 10-3 M

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