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Q 21: Which of the following is the strongest acid? A) HF (K, for HF is 7.2 x 10-4) B) HCN (K for HCN is 4.9 x 10-10) C) HCNO
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Question 23 (2.439024 points) Q 23: Which of the following is the weakest acid? A) HF (K, for HF is 7.2 x 10-4) B) HCN (K, fo
Question 24 (2.439024 points) Q 24: Predict whether the equilibrium of the following reaction favors reactants or products: N
Question 25 (2.439024 points) Q 25: For Kw, the product of [H3O+] and [OH-] for pure water is A) 1.0 x 10-14 B) 1.0 x 10-7 C)
Q 26: Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A) In acid
Q 27: What is the [OH-] in a solution that has a [ H30+1=1 x 10-6 M? A) 1 x 10-2 M B) 1 x 10-6 M C) 1 x 10-8 M D) 1 x 10-10 M
24 Question 28 (2.439024 points) Q 28: 7 What is the [H3O+] in a solution that has a [OH-] = 5,0 x 10-2 M? A) 2.0 x 10-13 M B
Question 29 (2.439024 points) Q 29: What is the pH of a solution with [H3O+] = 1 x 10-9 M? A) 1.0 x 10-5 M B)-9.0 C) 5.0 D)-5
Question 30 (2.439024 points) Q 30: A solution which has [OH-] = 4.6 x 10-6 M is A) acidic. B) basic C) neutral ).B A С Quest
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