Titration Reactions Discussed with HCl
How many milliters of 3.50M HCl is needed to react with 400.0 mL of 2.1M CaSO4 in the following reaction?
HCl + CaSO4 yields CaCl2 + H2SO4
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Solution Summary
Solution is found using the molarity equation M1V1 = M2V2.
Suitable Indicators for Redox Titrations
Methylene blue and diphenylbenzidine sulfonic acid are redox indicators that turn from colorless in the reduced state to blue (Methylene blue) or violet (Diphenylbenzidine sulfonic acid) in the oxidized state. Indicate whether each is a suitable indicator for the following redox titrations.
a. Reduction of Fe3 by Sn2 in 1M HCl.
Methylene blue: Suitable or unsuitable?
Diphenylbenzidene: Suitable or unsuitable?
b. Reduction of Ce4 by Fe2 in 1M HCl.
Methylene blue: Suitable or unsuitable?
Diphenylbenzidene: Suitable or unsuitable?