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Answer to Question #155712 in Chemistry for Alexis
Question #155712
What is the pH value of each of the following solutions: a) 0.0045 M HCl; b) 0.00683 M NaOH?
Expert's answer
pH = -lg [H+]
pH (HCl) = - lg [0.0045] = 2.35
pОH (NaOH) = - lg [0.00683] = 2.17
pH (NaOH) = 14 - 2.17 = 11.83
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