Multiple Select QuestionSelect all that applyA solution has a hydroxide-ion concentration of 4.0 × 10–8M. Which are the pOH and pH of the solution?Multiple select question.pOH = 7.40pOH = 8.00pH = 6.60pH = 6.00
Question
Multiple Select QuestionSelect all that applyA solution has a hydroxide-ion concentration of 4.0 × 10–8M. Which are the pOH and pH of the solution?Multiple select question.pOH = 7.40pOH = 8.00pH = 6.60pH = 6.00
Solution
To solve this problem, we need to use the formulas for pOH and pH.
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The formula for pOH is -log[OH-]. In this case, the hydroxide-ion concentration [OH-] is 4.0 × 10–8 M.
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To calculate the pOH, we plug the hydroxide-ion concentration into the formula: pOH = -log(4.0 × 10–8) = 7.40.
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The formula to find pH is pH = 14 - pOH.
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To calculate the pH, we subtract the pOH from 14: pH = 14 - 7.40 = 6.60.
So, the correct answers are pOH = 7.40 and pH = 6.60.
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