Sodium benzoate, NaC7H5O2, is used as a preservative in foods. Consider a 50.0-mL sample of 0.250 M
Question:
a. When no HBr has been added;
b. After the addition of 50.0 mL of the HBr solution;
c. At the equivalence point;
d. After the addition of 75.00 mL of the HBr solution. The Kb value for NaC7H5O2 is 1.6 × 10-10.
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a Assemble the usual table of concentrations Now substitute into the equilibrium expression assume x ...View the full answer
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