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What Is the POH of a Solution Prepared by Adding

Question 136

Multiple Choice

What is the pOH of a solution prepared by adding 1.22 g of potassium nitrite to 155 mL of water? K_a of HNO₂ is 4.5 × 10^-4.

A) 11.79
B) 2.21
C) 8.15
D) 7.00
E) 5.85

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