Problem: What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45? A) 2.82 × 10-11 M B) 3.55 × 10-4 M C) 3.45 M D) 10.55 M

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What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45?

A) 2.82 × 10-11 M

B) 3.55 × 10-4 M

C) 3.45 M

D) 10.55 M

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Based on our data, we think this problem is relevant for Professor Tomasik's class at CMU.