A solution has [H3O+] = 2.8×10−5 M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [OH−] of the solution. Express your answer to two significant figures. A solution has [OH−] = 2.5×10−2 M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [H3O+] of the solution.
At 70°C, the ion-product constant of water, Kw, is 1.53 × 10–13 The pH of pure water at 70°C is: Select one: a. 5.828. b. 7.000. c. 6.508. d. 6.408.
Part B A solution has [H3O+] = 4.0×10−5M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [OH−] of the solution. Express your answer to two significant figures M PART C A solution has [OH−] = 1.3×10−2M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [H3O+] of the solution. Express your answer to two significant figures.
(1). At 50 oC, the autoionization constant for pure water, Kw, is 5.48 x 10-14. The H3O+ concentration in pure water at 50 oC is ____ x 10-7 M.
The ionization product of water, KW, is 3.5 × 10–13 at 80 °C. What is the pH of a neutral aqueous solution at this temperature?
calculate equilibrium dissiociation constant of water help! We know that Kw = 1.0 x 10-14 at 25°C. At 37°C, the [H3O+] in pure water is 1.6 x 10"| M. Calculate the equilibrium dissociation constant of water, Kw, at this temperature. A. 2.6 x 10-14 | CNH-TT H+7: 10 x 10-14 DH = -log(11 B. 1.0 x 10-7 C. 1.0 x 10-14 [1-6x10-?][6.16 *10-8] PH= 6.79 D. 1.6 x 10-7 POH=7. 21
At a temperature of 37 degree Celsius, the ion product of water is Kw= 2.4^-14. At the same temperature, is aqueous solution of ph = 6.9 neural, acidic, or basic
At 10 °C, the ion product for pure water is Kw = 0.293 x 10-14 What is the pH of water at this temperature? 7.27 6.14 7.00 6.86 6.63
8. At 50 °C, the water ionization constant, Kw, is 5.48 x 10-. What is the H.O concentration in neutral water at this temperature? a. 3.00 x 10-7M b. 2.74 x 10-HM c. 5.48 x 10-'4M d. 2.34 x 10-'M e. 1.01 x 10-'M
At 100 degrees Celsius, the ion product for pure water is Kw= 51.3*10^-14. What is the pOH of water at this temperature? A) 7.00 B) 7.27 C) 6.14 D) 6.63 E) 7.86