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33. an aqueous basic solution has a concentration of .050 M and Kb is 4.4 x...

33. an aqueous basic solution has a concentration of .050 M and Kb is 4.4 x 10^-4. What is the concentration of hydroxide ion in this solution (M)?

a. 2.2 x 10^-5

b. 4.5 x 10^-3

c. 2.9 x 10^-3

d. 4.7 x 10^-3

e. .050

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