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12. Imagine you have 0.01 M solutions of each of the following compounds. Write them in order of
lowest pH (most acidic) to highest pH (3 pts).
Lowest
pH
•
NaOH, sodium hydroxide
HBr, hydrobromic acid
•
HC2H3O2, acetic acid (Ka = 1.8*105)
•
NaC2H3O2, sodium acetate (acetate is the conjugate base of acetic acid.
•
CH3NH2, methylamine (Kb = 4.4*10-4)
Highest
рН



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