Explain what is the percent dissociation of hno2

Reference no: EM13231470

What is the percent dissociation of HNO2 when 0.056 g of sodium nitrite is added to 115.0 mL of a 0.057 M HNO2 solution? Ka for HNO2 is 4.0 × 10-4.

A. 0.32%
B. 12%
C. 0.082%
D. 5.7%
E. 8.4%

Reference no: EM13231470

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