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Question- What is the concentration of phenylacetic acid, HC8H7O2, in a solution that is 0.065 M in potassium phenylacetate, KC8H7O2? What is the pH of the solution? Ka (HC8H7O2) = 4.9x10-5
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Explain why the mass of the crucible and anhydrous salt is less than the mass of the crucible and the hydrate. What is the chemical formula of copper (II) sulfate?
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At a given pressure and temperature, it takes 198.7 sec for a 2.6 L sample of Kr to effuse through a porous membrane. How long does it take for 2.6 L Ar to effuse under the same conditions?
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