What is the pH of a solution with [H3O+] = 3.00 x 10-2 M? Report your answer with the correct number of significant figures. • Note that when taking the log of a value, keep as many decimal places in the result as there are significant figures in the value.

Calculate the pH and percent ionization of a 0.940 M HNO₂ solution. Note: Reference the K of acids at 25 °C table for additional information. a Part 1 of 2 Be sure your answer has the correct number of significant digits. pH= 1.72 Part 2 of 2 2.04 % x10 Be sure your answer has the correct number of significant digits. x10 × ×

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Determine the [OH−] , pH, and pOH of a solution with a [H+] of 0.0096 M at 25 °C.[OH−]=  MpH=pOH=Determine the [H+] , pH, and pOH of a solution with an [OH−] of 7.5×10−7 M at 25 °C.[H+]=  MpH=pOH=Determine the [H+] , [OH−] , and pOH of a solution with a pH of 12.84 at 25 °C.[H+]=  M[OH−]=  MpOH=Determine the [H+] , [OH−] , and pH of a solution with a pOH of 4.34 at 25 °C.[H+]=  M[OH−]=  MpH=