Question #6649

Calculate the concentration of OH - ions in a 4.0 10-3 M HCl solution.

Expert's answer

HCL<---> H+ + Cl-
pH=-log
[H+]
pH=2.3979=2.4
pOH=14-2.4=11.6
pOH=-log[OH-]
[OH-]=2.5 x10-12
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