Use the Referraces to attets importast rale whis tbe pOH of an aqueous solution

Question

Use the Referraces to attets importast rale whis tbe pOH of an aqueous solution of 1.4610 M potassium hydroxide? POH 2 IOnline teaching x tcengagenow.com/iltrn/takeAssignment/tak Sabmit Answer Try Another Version item attempts remaining do locators Use the Refervaces to access important The hydronium ion concentration in an The hydroxide ion concentration is The pH of this solution is The pOH is aqueous solution at 25°C is L6-10- M. genow.com/rn/takeAssignment/takeCovalentActivity.do?loca Try Another Version 4item attempts remaining Use the References to access important What is the pOH of an aqueous solution of 8.16-102 M perchloric acid? POH Submit Answer Try Another Version item attempts remaining - Tinsel PhoteGrid

Explanation / Answer

Ans 1

Hydronium ion [H3O+] = 1.6*10^-2 M

pH = - log[H3O+] = - log (1.6*10^-2)

= 1.795

pOH = 14 - pH = 14 - 1.795

= 12.205

pOH = - log[OH-]

Hydroxide ion concentration

[OH-] = 10^-pOH = 10^-12.205

= 6.237 x 10^-13 M

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