# Problem: What mass of sodium nitrite must be added to 350.0 mL of water to give a solution with pH = 8.40? Ka of HNO2 = 5.6 x 10 -4 A) 68 g B) 1.7 x 10-4 g C) 0.039 g D) 8.5 g E) 24 g

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What mass of sodium nitrite must be added to 350.0 mL of water to give a solution with pH = 8.40? Kof HNO2 = 5.6 x 10 -4

A) 68 g

B) 1.7 x 10-4 g

C) 0.039 g

D) 8.5 g

E) 24 g

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