NaHSO3 has a pKa of 7.21.  35.00 mL of 0.100M NaHSO3 are titrated with 0.150 M NaOH. How many mL of NaOH are required to each the equivalence point? What is the pH at the equivalence point? (A numeric value)

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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.