Explain what is the ph of the same buffer

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Calculate the pH of 1.00 L of a buffer that is 0.130 M HNO2 and 0.190 M NaNO2. What is the pH of the same buffer after the addition of 1.00 mL of 12.0 M HCl. (pKa of HNO2 = 3.40)
Origingal buffer =?
After HCl is added =?

Reference no: EM13165657

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