A 0505 G Sample of a Monoprotic Base (Mm = 45

question 47

Multiple Choice

A 0.505 g sample of a monoprotic base (mm = 45.09 g/mol) was dissolved in water to produce 100.0 mL of solution with a pH = 11.84. What is the ionization constant of this base?

• A) 4.3 × 10^-5
• B) 1.9 × 10^-23
• C) 4.3 × 10^-4
• D) 3.4 × 10^-1
• E) 1.3 × 10^-11

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