Question

Be sure to answer all parts. Find the pH of the equivalence point and the volume...

Be sure to answer all parts.

Find the pH of the equivalence point and the volume (mL) of 0.0822 M KOH needed to reach the equivalence point in the titration of 23.4 mL of 0.0390 M HNO2.

Volume:

mL KOH

pH =

0 0
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Answer #1

KOH + HNO KNO₃ + H₂O One mole KOH reacts with one mole HNO. So, (KOH) (ENG) MV - M₂ V2 (0.0022M) x V, - (0.0390 m) x (23.4 mL

emaning Mole NO2 Remaining mole - 0.913 - of HNO2 0.912 = 0.001 mole. Total volume of solution - 23.4 mL + 11.1 mL = 34.5 mL

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