The pHpH scale for acidity is defined by pH=−log[H+]pH=-log[H+] where [H+][H+] is the concentration of hydrogen ions measured in moles per liter (mol/L). (A) If there are 0.0079432823472428 mol/L of hydrogen ions in a certain substance, what is the pH of this substance? pH=pH= Round your answer to at least two decimal places. (B) If there are 0.003019951720402 mol/L of hydrogen ions in a different substance, what is the pH of this substance? pH=pH= Round your answer to at least two decimal places
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The pHpH scale for acidity is defined by pH=−log[H+]pH=-log[H+] where [H+][H+] is the concentration of hydrogen ions measured in moles per liter (mol/L).
(A) If there are 0.0079432823472428 mol/L of hydrogen ions in a certain substance, what is the pH of this substance?
pH=pH=
Round your answer to at least two decimal places.
(B) If there are 0.003019951720402 mol/L of hydrogen ions in a different substance, what is the pH of this substance?
pH=pH=
Round your answer to at least two decimal places.
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