A buffer solution contains 0.385 M nitrous acid and 0.425 M sodium nitrite. If 0.0304 moles of hydrochloric acid are added to 225 mL of this buffer, what is the pH of the resulting solution? (Assume that the volume change does not change upon adding hydrochloric acid) pH =

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.