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.
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At 70°C, the ion-product constant of water, Kw, is 1.53 × 10–13 The pH of pure...
water at 70°C? (Kw at 70°C = 1.53 Ⓡ 10-13) What is the pOH of pure water at 70°C? (Kwat 70°C = A) 12.815 B) 6.408 C) 7.592 D) 7.000 E) 14.000
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
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
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?
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 a certain temperature, the pH of pure water is 6.00. Kw for water at this temperature is 1.0 x 10^-6 1.0 x 10^-8 1.0 x 10^-10 1.0 x 10^-12 1.0 x 10^-14
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.
3) What is the concentration of hydroxide ions in pure water at 30.0°C, if Kw at this temperature is 1.47 10-14? 4) What is the pH of pure water at 40.0°C if the Kw at this temperature is 2.92 x 10-14?
(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.
for water (Kw) is 9.311 × 10-14 at 60 oC. Calculate the [H2O+], [OH-], pH, (8 pts.) The ionization constant and pOH for pure water at 60°C