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What Is the Percent Dissociation of HNO2 When 0 ×\times 10-4

Question 65

Multiple Choice

What is the percent dissociation of HNO2 when 0.064 g of sodium nitrite is added to 120.0 mL of a 0.057 M HNO2 solution? Ka for HNO2 is 4.0 ×\times 10-4.


A) 13%
B) 0.30%
C) 5.2%
D) 0.075%
E) 8.4%

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