Determine the ph of the solution after the addition of koh
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 200.0 mL of KOH. The Kb of NH3 is 1.8 × 10-5.
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A solution of caffeine in chloroform as a solvent has a concentration of 7.9 x 10^-2m. What's the percent of caffeine by mass? Calculate the mole fraction of caffeine.
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comes to equilibrium, it is observed that the concentration of NH3 is 2.39 moles/L. What is the numerical value of the equilibrium constant Kc?
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