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Calculate the molarity of OH- and pH for a solution formed by mixing 15.0 mL of...

Calculate the molarity of OH- and pH for a solution formed by mixing 15.0 mL of 0.012 M Ba(OH)2 with 30.0 mL of 5.5 x 10-3 M KOH. Report x to correct significant figures, and y to two decimal places.

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