Problem 1. A chemical analysis of wastewater sample with an initial pH of 9.3 is given by the following table: Substance Concentration (mg/L) Molecular weight (g/mole) Bi-carbonate (HCO3') Ammonia (NH3) Chloride (CI) Sulfate (SO,²) a) Estimate the Methyl Orange Acidity as mg/L CaCO3 b) Estimate the Phenolphthalein Acidity as mg(L CaCO3 c) Estimate the Methyl Orange Alkalinity as mg/L CaCO3 100 61 17 17 250 35,5 150 96

Problem 1. A chemical analysis of wastewater sample with an initial pH of 9.3 is given by the following table: Substance Concentration (mg/L) Molecular weight (g/mole) Bi-carbonate (HCO3') Ammonia (NH3) Chloride (CI) Sulfate (SO,²) a) Estimate the Methyl Orange Acidity as mg/L CaCO3 b) Estimate the Phenolphthalein Acidity as mg(L CaCO3 c) Estimate the Methyl Orange Alkalinity as mg/L CaCO3 100 61 17 17 250 35,5 150 96

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter15: Complex Acid/base Systems

Section: Chapter Questions

Problem 15.38QAP

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