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the value of Kw at 50 C is 5.48 x110^-14. calculate the OH- concentration from t

ID: 487653 • Letter: T

Question

the value of Kw at 50 C is 5.48 x110^-14. calculate the OH- concentration from the above solution at 50 C. I need help with part b, I keep on getting it wrong 12 Question 12 (of 20) value: 1.00 points 2 out of 3 attempts Assist Be sure to answer all parts. Enter your answers in scientific notation. Che (a) Calculate the OH concentration in an aqueous solution at 25°C with an H3 concentration of 1.33x10 M. Sho x10 69 (b) The value of K w at 50 C is 5.48x10 14 Calculate the OH concentration from the above Pri solution at 50C. x10 View Details of Last Check Answer

Explanation / Answer

b)

Kw = [H3O+][OH-]

5.48*10^-4 = (1.33*10^-4)(OH)

[OH-] = (5.48*10^-14) / (1.33*10^-4) = 4.120*10^-10 M