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17. Acid and Base Equilibrium

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17. Acid and Base Equilibrium

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Multiple Choice
Chemistry student prepared an aqueous solution at 30ºC. If the solutions contains 7.42 × 10⁻⁹ M of hydroxide ions, calculate the pH.
Multiple Choice
Calculate the K_w of pure water given the pH = 6.34.
Open Question
What is the pH of pure water at 40.0°C if the K_w at this temperature is 2.92 × 10^-14?
Open Question
The pOH of a basic solution is 5.63. What is [OH^-]?
Multiple Choice
At 60 °C, the value of KW is 1.3×10⁻¹³. What is the concentration of H₃O⁺ in a neutral solution at 60 °C?
Multiple Choice
At 60°C, the ion product constant of water, Kw, is 9.61 x 10^-14. What is the pH of pure water at this temperature?
Multiple Choice
What is the ion product constant (Kw) of pure water at 50.0°C, if the pH is 6.630?