3.Assume that 2.4886 g of K2Cr2O7 is dissolved in enough water to make 100.0 mL of solution.(a) What is the molarity of K2Cr,0;?(b) What is the molarity of the potassium cation?(c) What is the molarity of the dichromate anion?The molar mass of K2Cr207 is 294.185 g/mol.

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Answered: 3. Assume that 2.4886 g of K½C13O, is…

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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Table of solubility properties 1.0 M Na2SO4 (sulfuric acid) 1.0 M Na2CO3 (sodium carbonate) Ba2+ Barium 0 6 M NaOH (sodium hydroxide) (---) Insoluble in water 6 M NH3 (aqueous ammonia) Soluble in water Mg 2+ Magnesiu m() Cd2+ Cadmium ) A13+ aluminum 0
Predominant form Classification (acid, base, salt, molecular, metal, etc.) Strong Electrolyte? Formula Solubility in substance exists as in an Water aqueous system NaNO; Salt significant yes Na*(aq) + NO; (aq) CH;OH Molecular significant CH;OH(aq) no HCI Acıd significant Yes Ca3(PO4)2 trace amounts Fe(C,H,O,); significant NaOH significant Mg(OH), trace amounts HNO, significant H,O N/A CO2 some what K,Cr,O, significant C12H2O11 significant Ca(OH)2 significant PCI, significant Li,SO4 significant HBRO significant HCIO4 significant BaSO4 trace amounts AgNO; significant trace amounts AgCl insoluble Ag HI significant RÜHCO; significant

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3. Assume that 2.4886 g of K½C13O, is dissolved in enough water to make 100.0 mL of solution. (a) What is the molarity of K¿Cr;O;? (b) What is the molarity of the potassium cation? (c) What is the molarity of the dichromate anion? The molar mass of K¿Cr»O, is 294.185 g/mol.