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answer for both questions. Thank you!

Please explain the correct answer for both questions. Thank you! Incorrect Question 7 0/1 pts The...
Question 10 1 pts The molar solubility (in M) of PbCl2 in a 0.20 M solution of HCl is This molar solubility is...than the molar solubility of PbCl2 in pure water. The Ksp of PbCl2 is 1.6x10 O 4.0x10-4 M, higher O 4.0x104 M, lower O 80x105 M, higher 8.0 x 10'5 M, lower
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answer to both questions. Thank you!
Incorrect Question 19 0/1 pts The value of A Sº for the catalytic hydrogenation of acetylene to ethene, C2H2(g) + H2(g) →C2H4 (g) is_ J/K.mol. Use the following thermodynamic quantities for selected substances at 298.15 K (25°C). Substance AHºf (kJ/mol) AG°f (kJ/mol) S (J/K-mol) 2.84 Carbon C(s, diamond) 1.88 C(s, graphite) 0 C2H2(g) 226.7 C2H4 (g) 52.30 C2H6 (g) -84.68 CO(g) -110.5 CO2 (g) -393.5 209.2 68.11 -32.89 -137.2 -394.4...
1)
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for this question.
The maximum amount of lead chloride that will
dissolve in a 0.138 M ammonium
chloride solution is M.
2)
Use the References to access important values if needed
for this question.
The molar solubility of lead iodide in a
0.138 M ammonium iodide solution
is M.
3)
Use the References to access important values if needed
for this question.
The molar solubility of iron(III) sulfide in a...
Question 9 3 pts HOCl(aq) +H*(aq) + OCI (aq) The ionization of hypochlorous acid represented above has K - 3.0x10-8 at 25 C. What is K for this reaction? OC-(aq) +H300) +HOCl(aq) + OH-(aq) O 3.0x100 0 33x10-> O 33x10 0 3.0x10-3 Question 10 3 pts W Lead() fluoride (PbF), lead(II) chloride ( PC), lead()bromide (PbBrg, and lead(ll) iodide (Pbly) are all slightly soluble in water. Which lead salt will increase insolubility when its saturated solution is acidified? ОРЫla O...
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answer for both questions. Thank you!
Incorrect Question 5 0/1 pts A 25.0 mL sample of 0.723 M HCIO4 is titrated with 0.27 M KOH solution. The H30* concentration after the addition of 80.0 mL of KOH is M. (Cl is chlorine, not carbon and iodine) 0.4 3x10-13 1x107 0.7 4x10-2 Incorrect Question 6 0/1 pts What could be the pKof this weak acid according to the titration curve below? Weak Acid Titration Curve PH 10...
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answer. Thank you!
Incorrect Question 2 0/1 pts What change will be caused by addition of a small amount of HCl to a solution containing fluoride ions and hydrogen fluoride? (Cl is chlorine, not carbon and iodine) The concentration of hydrogen fluoride will decrease and the concentration of fluoride ions will increase. The fluoride ions will precipitate out of solution as its acid salt. The concentration of hydronium ions will increase significantly. The concentration of fluoride...
Question 9 3 pts HOCl(aq) +H*(aq) + OCI (aq) The ionization of hypochlorous acid represented above has K-3.0x10-8 at 25 C. What is K for this reaction? OCI-(aq) + H200)+HOCl(aq) + OH-(aq) O 30x10 0 33x10-7 O 33x10 0 30x10-3 Question 10 3 pts Lead() fluoride (PbF), lead(II) chloride ( PC), lead()bromide (PbBrg, and lead(II) iodide (Pbly are all slightly soluble in water. Which lead salt will increase insolubility when its saturated solution is acidified? OPbla O PbBra O Pbda...
#5 Write the solubility product expression for PbCl2.
Using the concentration for the Pb+2 and Cl- ions, solve for your
experimental Ksp.
#6 Using your book, find the theoretical Ksp for PbCl2
to determine your percent error
A Solubility Product Constant Introduction: Many substances are very soluble in water. However, in this experiment you will be concerned with substances that are insoluble or only slightly soluble. Dynamic equilibrium is established when an excess of a slightly soluble substance is placed...
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answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
Incorrect Question 4 0/4 pts Which of the following is the Arrhenius definition of an acid? A substance that is an H* donor A substance that produces OH ions in aqueous solution. A substance that is an H* acceptor. A substance that is an OH donor. A substance that produces Htions in aqueous solution. Incorrect Question 5 0/4 pts Which of the following is the Arrhenius definition of a base? A substance that is an H* donor. A substance that...