AP Chemistrymediummcq1 pt
What is the pH of a 0.001 M Ba(OH)2 solution?
A.3
B.11
C.12
D.4
Explanation
Core Concept
Ba(OH)2 is a strong base producing 2 OH- per formula unit: [OH-] = 2 times 0.001 = 0.002 M. pOH = -log(0.002) approx 2.7. pH = 14 - 2.7 = 11.3, approximately 11.
Correct Answer
B11
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