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A chemist creates a buffer using benzoic acid (Ka=6.30*10^-5) and sodium benzoate by mixing 50.00mL of 0.950M benzoic acid with 40.00mL of 0.850M sodium benzoate.
a. What is the pH of the buffer?
b. What is the pH after 10.00mL of 0.500M HCL is added to the buffer solution? (Titration)
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Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below.
which reagent will be in excess? What will the concentration of the of the excess be?
In order to measure the enthalpy change for this reaction, 1.25 g of NH4NO3 is dissolved in enough water to make 25.0mL of solution. The initial temperature is 25.8 C and the final temperature
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