For the pH of each HNO2 solution:
Ka of HNO2 → 4.0x10-4
(1) Construct an ICE table (where y is the concentration of HNO2)
(2) Calculate the [H3O+] using Ka expression
Inspecting each concentration of HNO2:
Determine the pH of an HNO2 solution of each of the following concentrations. In which cases can you not make the simplifying assumption that x is small?
a. 0.500 M
b. 0.100 M
c. 0.0100 M
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What scientific concept do you need to know in order to solve this problem?
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