24. When the acidity provided by the dissolved carbon dioxide and the basicity provided bythe solid CaCO3 are both considered, the single reaction that best represents whathappens when solid CaCO3 dissolves in water in contact with atmospheric carbondioxide at a partial pressure Pis the following:CaCO3(s) + CO2 (g) + H2O = Ca2+(aq) + 2HCO3 (aq)a. Using the approach of adding reactions, show that the equilibrium constant forthe above reaction is given by:K' = KspkHKai/Ka2where the equilibrium constants have been defined in the earlier problems 1-3;calculate a numerical value for K' from the numerical values at 25° C that havebeen given.b. Use the value calculated for K' to determine the concentration of Ca2+(ag) andHCO3 (ag) in water that is in equilibrium with solid CaCO3 and water that is exposedto the nominal partial pressure of atmospheric carbon dioxide, 0.000405 atm.c. Compare the solubility calculated by this approximation with the values found forthe water samples in Table 1.Table 1. Results for benchmark water samples (Brooklyn, Long Island, Bottled Spring Water). The values are mean ±standard deviation for 3-4 years of data.Poland SpringAnalyteBrooklynLong IslandWaterCa2+ (mg/L)33.0±2038.0±10120±80pH8.5±0.47.9+0.67.2±0.2

show that the equilibrium constant fc 2 en defined in the earlier problems 1-3 e numerical values at 25° C that hav nine the concentration of Ca2+(aq) ane n solid CaCO3 and water that is expose -ic carbon dioxide, 0.000405 atm. pproximation with the values found fc

show that the equilibrium constant fc 2 en defined in the earlier problems 1-3 e numerical values at 25° C that hav nine the concentration of Ca2+(aq) ane n solid CaCO3 and water that is expose -ic carbon dioxide, 0.000405 atm. pproximation with the values found fc

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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