One liter of a buffer composed of 1.2 M HNO2 and 0.8 M NaNO2 is mixed with 400 mL of 0.5 M NaOH. What is the new pH? Assume the pKa of HNO2 is 3.4.
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and 0.190 m NaNO2. What is the PH
A 1.0-L buffer solution is 0.125 M in HNO2 and 0.190 M in NaNO2.
a) Determine the concentrations of HNO2 and NaNO2 after addition of 1.9 g HCl.
b) Determine the concentrations of HNO2 and NaNO2 after addition of 1.9 g NaOH.
c) Determine the concentrations of HNO2 and NaNO2 after addition of 1.9 g HI