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What Is the Hydronium Ion Concentration of a 0

Question 3

Multiple Choice

What is the hydronium ion concentration of a 0.500 mol L-1 aqueous acetic acid solution with Ka = 1.8 × 10-5?
The equation for the dissociation of acetic acid is below: What is the hydronium ion concentration of a 0.500 mol L<sup>-1</sup> aqueous acetic acid solution with K<sub>a</sub> = 1.8 × 10<sup>-5</sup>? The equation for the dissociation of acetic acid is below: A) 3.0 × 10<sup>-2</sup> mol L<sup>-1</sup> B) 4.2 × 10<sup>-2</sup> mol L<sup>-1</sup> C) 3.0 × 10<sup>-3</sup> mol L<sup>-1</sup> D) 4.2 × 10<sup>-3</sup> mol L<sup>-1</sup>


A) 3.0 × 10-2 mol L-1
B) 4.2 × 10-2 mol L-1
C) 3.0 × 10-3 mol L-1
D) 4.2 × 10-3 mol L-1

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