Questions and Answers
Which reagent is used to titrate the Ca$^{2+}$ and Mg$^{2+}$ ions in the water sample?
EDTA solution
What is the purpose of using Eriochrome Black-T indicator in the experiment?
To produce a wine-red colored unstable complex with Ca$^{2+}$ and Mg$^{2+}$ ions
At what pH is the titration of Ca$^{2+}$ and Mg$^{2+}$ ions carried out?
pH 10
What is the purpose of using Eriochrome Black-T indicator in the experiment?
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What color complex is formed when Eriochrome Black-T is added to the hard water at pH 10?
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At what pH is the titration of Ca$^{2+}$ and Mg$^{2+}$ ions carried out?
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Which reagent is used to titrate the Ca$^{2+}$ and Mg$^{2+}$ ions in the water sample?
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What color complex is formed when Eriochrome Black-T is added to the hard water at pH 10?
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