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Science-Related Homework Help Chemistry Topic started by: dbomb1 on May 5, 2024

Title: Farmers who raise cotton once used arsenic acid, H3AsO4, as a defoliant at harvest time. Arsenic ...
Post by: dbomb1 on May 5, 2024

Farmers who raise cotton once used arsenic acid, H₃AsO₄, as a defoliant at harvest time. Arsenic acid is a polyprotic acid with K_a1 = 2.5 × 10^–4, K_a2 = 5.6 × 10^–8, and K_a3 = 3 × 10^–13. What is the pH of a 0.500 M solution of arsenic acid?

▸ 0.85

▸ 1.95

▸ 3.90

▸ 4.51

▸ None of these answers is correct.

Title: Re: Farmers who raise cotton once used arsenic acid, H3AsO4, as a defoliant at harvest time. Arsenic ...
Post by: elixy19 on May 5, 2024

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