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Complete this table of values for four aqueous solutions at 25

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Chemistry

Complete this table of values for four aqueous solutions at25

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3.7 Ratings (449 Votes)

general: pH = -log c(H+)         pOH = -log c(OH-)

c(H+) * c(OH-) = 10-14

pH + pOH = 14

solution A: c (OH-) = 10-14 / c(H+) = 5*10-12

                  pH = -log (0.002) = 2.7

                 pOH = 14-2.7 = 11.3

solution B: c (H+) = 10-14 / c(OH-) = 2.5*10-10

                      pH = 9.6

                pOH = 4.4

solutionC: c (H+) = 4.6*10-11

               c (OH-) = 2.2*10-4

              pOH = 3.66

solutionD: pH = 10.01

               c(H+) = 9.8*10-11

                  c(OH-) = 1.0*10-4
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