2. Predict the solubilities, either organic of mixture of ethyl acetate and water (pH 7). What molecular charact dye to be soluble in water? What molecular characteristic causes a dye to be soluble in an organic solvent? Further, predict whether Dyes A, B or C will alter their sol- ubilities if the aqueous phase is changed to an acidic solution (pH 0) or to a basic solution (pH 14). DYE A OH OH -0,S *Na DYE B $0,- 'OH *Na So, *Na H₂N. DYE C +NH₂ "CI NH₂

2. Predict the solubilities, either organic of mixture of ethyl acetate and water (pH 7). What molecular charact dye to be soluble in water? What molecular characteristic causes a dye to be soluble in an organic solvent? Further, predict whether Dyes A, B or C will alter their sol- ubilities if the aqueous phase is changed to an acidic solution (pH 0) or to a basic solution (pH 14). DYE A OH OH -0,S Na DYE B $0,- 'OH Na So, *Na H₂N. DYE C +NH₂ "CI NH₂

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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e 5: Rank the following acids from weakest (1) to strongest (4) HF (K, = 7.2x104) %3D 6: H2CO3 (Ka = 4.3x10-7) H3PO4 (K, = 7.5x10-3) %3D HC2H3O2 (K, = 1.8x10-5) MacBook Air 888 こニ。 DIl こニ。 F5 F2 F3 F4 23 Q W T A D G エ

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What are some possible sources of error in determining the Ka value of an unknown acid except for the measurement innacuracy?!
2. DETAILS PREVIOUS ANSWERS NCSUGENCHEM202LABV1 7.POST.02. Given that carbonic acid, H₂CO3, has a pka1 = 6.37 and a pka2 = 10.33, answer the following. (a) If you wanted to make a pH 7 buffer solution starting with NaHCO3(aq), would you add 0.10 M HCl or 0.10 M NaOH? O 0.10 M HCI 0.10 M NaOH (b) If you began with 7.0 mL of 0.17 M NaHCO3, how many mL of your choice from (a) would you need to add to get a pH 7 buffer? 3.94 XML
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Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, simply write only NR. Be sure to include the proper phases for all species within the reaction. (CH₃)₃NHBr
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A Dashboard 101 Chem101 b Answered: At a particular temper X A aрp.101edu.co Question 3 of 23 Submit A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak acid. 2 NEXT > Based on the given values, fill in the ICE table to determine concentrations of all reactants and products. НА(aq) H:O(1) H:O*(aq) A-(aq) + Initial (M) Change (M) Equilibrium (M) 2 RESET 0.1000 3.0 -3.0 0.030 -0.030 0.0030 -0.0030 0.0970 -0.0970 0.0097 -0.0097 + 10:34 PM P Type here to search 65°F Mostly sunny 10/31/2021
3MasteringChemistry: CHE154 X + session.masteringchemistry.co This Mac a probler Open iClou
The conjugate base that is produced after the first ionization step of carbonic acid when it has reacted with ethyl amine (CH3CH2NH2) would be _________. H2CO3 CH3CH2NH3+ HCO3- CO3-2 CH2CH2NH Given a Ksp of 4.96 X 10-9 for limestone (calcium carbonate), the calcium concentration in a limestone solution will be__________ the Ksp. greater than less than the same as cannot be determined