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Arrange the following 0.10 M solutions from lowest to highest pH: NaF, NaC2H3O2, C5H5NHCl, KOH, HCN. (Ka for HCN is 6.2 × 10-10; Ka for HF is 7.2 × 10-4; Ka for HC2H3O2 is 1.8 × 10-5; and Kb for C5H5N is 1.7 × 10-9)
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Marriage Gradient
The tendency for men to marry women who are slightly younger, smaller, and lower in status, and women to marry men who are slightly older, larger, and higher in status.
Homogamy
The tendency to marry someone who is similar in age, race, education, religion, and other basic demographic.
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