Carbonic acid is a weak diprotic acid with and The
Chapter 17, Problem 77(choose chapter or problem)
Carbonic acid is a weak diprotic acid with and The equivalence points for the titration come at approximately pH 4 and 9. Suitable indicators for use in titrating carbonic acid or carbonate solutions are methyl orange and phenolphthalein. (a) Sketch the titration curve that would be obtained in titrating a sample of with 1.00 M HCl. (b) Sketch the titration curve for with 1.00 M HCl. (c) What volume of 0.100 M HCl is required for the complete neutralization of 1.00 g (d) What volume of 0.100 M HCl is required for the complete neutralization of 1.00 g (e) A sample of NaOH contains a small amount of For titration to the phenolphthalein end point, 0.1000 g of this sample requires 23.98 mL of 0.1000 M HCl. An additional 0.78 mL is required to reach the methyl orange end point. What is the percent by mass, in the sample?
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