pH is a logarithmic scale used to indicate the hydrogen ion concentration. [H^+]

Question

pH is a logarithmic scale used to indicate the hydrogen ion concentration. [H^+]. of a solution: pH = - log [H^+] Due to the autoionization of water, in any aqueous solution, the hydrogen ion concentration and the hydroxide ion concentration. [OH^-], are related to each other by the K_w of water: K_w = [H^+] [OH^-] = 1.00 times 10^-14 where 1.00 times 10^-14 is the value at approximately 297 K Based on this relation. the pH and pOH are also related to each other as 14.00 = pH + pOH The temperature for each solution is carried out at approximately 297 K where K_w = 1.00 times 10^-14. 0 55 g of hydrogen chloride (HCl) is dissolved in water to make 3.0 L of solution. What is the pH of the resulting hydrochloric acid solution? Express the pH numerically to two decimal places. 0 90 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 6 0 L of solution. What is the pH of this solution? Express the pH numerically to two decimal places. What is the pOH of the solution in Part B? Express the pOH numerically to two decimal places.

Explanation / Answer

PART C:

we know

PH + POH = 14

then POH = 14 - PH

                   = 14 - 11.6 = 2.4

           

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