14. What is the pH of a solution prepared by mixing 50.0 mL of 0.300 M HCl with 450.0 mL of 0.400 M HIO₃ ? (Ka of HIO₃ = 0.16) (A)1.52(B)0.80(C)0.72 (D)0.89(E)1.10

14. What is the pH of a solution prepared by mixing 50.0 mL of 0.300 M HCl with 450.0 mL of 0.400 M HIO₃ ? (K_a of HIO₃ = 0.16)
(A)1.52
(B)0.80
(C)0.72
(D)0.89
(E)1.10

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統計： A(3), B(0), C(6), D(3), E(2) #2343735

私人筆記 (共 1 筆)

黑面企鵝(一年上榜!)

2024/03/08

私人筆記#5806219

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本題答案應有誤，應是(C)

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18. An excess of finely divided iron is stirred up with a solution that contains Cu²⁺ ion, and the system is allowed to come to equilibrium. The solid materials are then filtered off and electrodes of solid copper and solid iron are inserted into the remaining solution. What is the value of the ratio [Fe²⁺]/[Cu²⁺] at 25°C? The following standard reduction potentials apply: (A)1(B)1.3x1026(C)2.5x1026 (D)4.4x10-27(E)8.8x10-27

14. What is the pH of a solution prepared by mixing 50.0 mL of 0.300 M HCl with 450.0 mL of 0.400 M HIO₃ ? (K_a of HIO₃ = 0.16)
(A)1.52
(B)0.80
(C)0.72
(D)0.89
(E)1.10

私人筆記 (共 1 筆)

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