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1. What is the pH at the equivalence point in the titration of a 18.7 mL...

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Chemistry

1. What is the pH at the equivalence point in the titration of a18.7 mL sample of a 0.381 Maqueous hydrocyanic acid solution with a0.496 M aqueous sodium hydroxidesolution?

pH =

2. The solubility of Ag2S ismeasured and found to be 7.38×10-15g/L. Use this information to calculate a Ksp value forsilver sulfide.

Ksp =

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