9
AssignmentMultiple Choice

Measures of Concentration: Molarity

Question 9 • *26-27 CFISD TX-Chemistry A CR

Which of these substances is the most basic (alkaline)?

Answer
A
solution A, pOH = 1.5
B
solution B, pOH = 7.0
C
solution C, pOH = 13.5

Explanation

A lower pOH means a higher hydroxide-ion concentration, so the solution is more basic. Solution A has the lowest pOH, 1.5, compared with 7.0 and 13.5. Therefore, solution A is the most basic.

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