A 25.00-mL sample contains 0.562 g of NaHCO3. This sample is used to standardize an NaOH solution.

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A 25.00-mL sample contains 0.562 g of NaHCO3. This sample is used to standardize an NaOH solution. At the equivalence point, 42.36 mL of NaOH has been added.
a. What was the concentration of the NaOH?
b. What is the pH at the equivalence point?
c. Which indicator, bromthymol blue, methyl violet, or alizarin yellow R, should be used in the titration? Why?
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General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

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