Homework Answers
![pH 5.5 pka - lag (18x103) = 4.7447 for Ch COOH pH pka + log [cay Loona] = 4.7447 + log [ch, LOONa] 25.5 log (ca.com and -0755](http://img.homeworklib.com/questions/207fdb60-c36b-11ea-960c-fba8794095b1.png?x-oss-process=image/resize,w_560)
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Use the data in the tables below. Show appropriate work for numerical calculations. K,...
Use the data in the tables below. Show appropriate work for numerical calculations. K, values: |...
Use the data in the tables below. Show appropriate work for numerical calculations. K, values: | HCI HNO3 H2SO4 HSO," НsPO4 HF HNO2 HCOOH strong strong strong 1.3 x 102 7.5 x 10 7.1 x 10 4.5 x 104 1.7 x 10-4 CH3COOH CsHsNH H2CO3 H2PO. NH1 HCN HCO3 - HPO 1.8 x 10-5 5.9 x 10-6 4.2 x 107 6.2 x 10-8 5.6 x 10-10 4.9 x 10-10 4.8 x 10-11 4.8 x 10-13 Ksp values: CaCO3 CaF2 1.2...
please show work Use the data in the tables below. Show appropriate work for numerical calculations....
please show work
Use the data in the tables below. Show appropriate work for numerical calculations. K. values: HCI HNO3 H2SO4 HSO4"- H3PO4 HF HNO2 HCOOH strong strong strong 1.3 x 10-2 7.5 x 10 7.1 x 10+ 4.5 x 10-4 1.7 x 10+ CH3COOH CsH NH H2CO3 H2PO4 NH4+ 1.8 x 105 5.9 x 10-6 4.2 x 10-7 6.2 x 10-8 5.6 x 10-10 4.9 x 10-10 4.8 x 10-11 4.8 x 10-13 HCO3 HPO42- Ksp values: 8 CaCO3...
Propose buffer components to hold a pH = 5.5 Let the acid have a concentration of...
Propose buffer components to hold a pH = 5.5 Let the acid have a
concentration of 0.12 M.
Identity Concentration
Acid ? 0.12 M
Base ? ?
Ksp values: CaCO3 CaF2 Ca(OH)2 Ca3(PO4)2 Fe(OH)2 Fe(OH)3 MgCO3 8.7 x 10-9 4.0 x 10-11 8.0 x 10-6 1.2 x 10-26 1.6 x 10-14 1.1 x 10-36 4.0 x 10-5 Mg(OH)2 AgBr AgaCO3 AgCl Ag2SO4 Zn(OH)2 1.2 x 10-11 7.7 x 10-13 8.1 x 10-12 1.6 x 10-10 1.4 x 10" 1.8 x...
Propose buffer components to hold a pH = 4.0. Let the acid have a concentration of...
Propose buffer components to hold a pH = 4.0. Let the acid have a
concentration of 0.21 M.
Identity Concentration
Acid ? 0.21 M
Base ? ?
Ksp values: CaCO3 CaF2 Ca(OH)2 Ca3(PO4)2 Fe(OH)2 Fe(OH)3 MgCO3 8.7 x 10-9 4.0 x 10-11 8.0 x 10-6 1.2 x 10-26 1.6 x 10-14 1.1 x 10-36 4.0 x 10-5 Mg(OH)2 AgBr AgaCO3 AgCl Ag2SO4 Zn(OH)2 1.2 x 10-11 7.7 x 10-13 8.1 x 10-12 1.6 x 10-10 1.4 x 10" 1.8 x...
Propose buffer components to hold a pH = 10.8 Let the base have a concentration of...
Propose buffer components to hold a pH = 10.8
Let the base have a concentration of 0.35 M.
Identity Concentration
Acid ? ?
Base ? 0.35 M
Ksp values: CaCO3 CaF2 Ca(OH)2 Ca3(PO4)2 Fe(OH)2 Fe(OH)3 MgCO3 8.7 x 10-9 4.0 x 10-11 8.0 x 10-6 1.2 x 10-26 1.6 x 10-14 1.1 x 10-36 4.0 x 10-5 Mg(OH)2 AgBr AgaCO3 AgCl Ag2SO4 Zn(OH)2 1.2 x 10-11 7.7 x 10-13 8.1 x 10-12 1.6 x 10-10 1.4 x 10" 1.8 x...
4) (24 points) What is the solubility of Fe(OH)s (iron(III) hydroxide)... a) ...pure water? b) ...0.036...
4) (24 points) What is the solubility of Fe(OH)s (iron(III) hydroxide)... a) ...pure water? b) ...0.036 M Fe(NO3)3? Ka values: HCI HNO3 H2SO4 HSOF 113x102 HsPO7.5 x 103 HF HNO2 strong CH3COOH 1.8 x 10 CHNHF 5.9 x 106 HCO 4.2x 10 H2CO3 strong HaPO 62x 10 H2PO4 7.1 x 104 4.5 x 1 HCN HCO3 HPO4 4.9 x 10 48 x 101 1.7 x 10" HCOOH Ksp values: Mg(OH)212x 10 | AgBr _ 17,7 x10.TS- і I 8.7 x...
??? Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c....
???
Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c. aluminum hydroxide d. chlorous acid e. strontium hydroxide f lead(II) hydroxide g. phosphorous acid h. ammonia 6.1 Calculate the pH of the following solutions: a. [H3O+] = 5.6 x 103 6.2 b. [H30']-3.8 x104 c. [H3O] 2.7 x 10-5 d. [H3O']- 1.0 x 109 6.3 For each of the following strong base solutions, determine (OH ], (10], and pri. a. 6.5 x 10 M...
I need help with #4. "show by calculation why acetic acid (Ka = 1.8 X 10^-5), when combined with NaC2H3O3 as a buffe...
I need help with #4. "show by calculation why acetic
acid (Ka = 1.8 X 10^-5), when combined with NaC2H3O3 as a buffer,
will not produce a pH o 9.00"
1. What is the pH of a 1.0L buffer that is 0.10 M in Naz HPO4 and 0.15 M in NaH2PO4? Write the equilibrium reaction equation and corresponding Ka expression for the buffer. K for H2PO4 is 6.2 X 108 2. A 10.00 mL sample of 0.300 M NH3 is...
PLEASE COMPLETE ALL ANSWER. SHOW ALL WORK. For questions 10 and 11. You need a buffer...
PLEASE COMPLETE ALL ANSWER. SHOW ALL WORK.
For questions 10 and 11. You need a buffer with a pH of 3.50 for a certain experiment. You decide to prepare this buffer using formic acid, CHO2H,(Ka =1.8 x 104) and sodium formate, NaCHO2. The concentration of formic acid, CHO2H, in this buffer is 0.150M. 10. (10 pts) Calculate the concentration of formate, CHO2. Report 2 significant figures. Show work. 11. (5 pts) How many grams of formic acid (46.03 g/mol) should...
If you need anymore values let me know! Thanks so much for your help! Use the...
If you need anymore values let me know! Thanks so much for your
help!
Use the References to access important values if needed for this question. How many grams of solid ammonium bromide should be added to 1.50 L of a 0.166 M ammonia solution to prepare a buffer with a pH of 8.560 ? grams ammonium bromide Use the References to access important values if needed for this question. How many grams of solid potassium cyanide should be added...
Use the data in the tables below. Show appropriate work for numerical calculations. K, values: | HCI HNO3 H2SO4 HSO," НsPO4 HF HNO2 HCOOH strong strong strong 1.3 x 102 7.5 x 10 7.1 x 10 4.5 x 104 1.7 x 10-4 CH3COOH CsHsNH H2CO3 H2PO. NH1 HCN HCO3 - HPO 1.8 x 10-5 5.9 x 10-6 4.2 x 107 6.2 x 10-8 5.6 x 10-10 4.9 x 10-10 4.8 x 10-11 4.8 x 10-13 Ksp values: CaCO3 CaF2 1.2...
please show work
Use the data in the tables below. Show appropriate work for numerical calculations. K. values: HCI HNO3 H2SO4 HSO4"- H3PO4 HF HNO2 HCOOH strong strong strong 1.3 x 10-2 7.5 x 10 7.1 x 10+ 4.5 x 10-4 1.7 x 10+ CH3COOH CsH NH H2CO3 H2PO4 NH4+ 1.8 x 105 5.9 x 10-6 4.2 x 10-7 6.2 x 10-8 5.6 x 10-10 4.9 x 10-10 4.8 x 10-11 4.8 x 10-13 HCO3 HPO42- Ksp values: 8 CaCO3...
Propose buffer components to hold a pH = 5.5 Let the acid have a
concentration of 0.12 M.
Identity Concentration
Acid ? 0.12 M
Base ? ?
Ksp values: CaCO3 CaF2 Ca(OH)2 Ca3(PO4)2 Fe(OH)2 Fe(OH)3 MgCO3 8.7 x 10-9 4.0 x 10-11 8.0 x 10-6 1.2 x 10-26 1.6 x 10-14 1.1 x 10-36 4.0 x 10-5 Mg(OH)2 AgBr AgaCO3 AgCl Ag2SO4 Zn(OH)2 1.2 x 10-11 7.7 x 10-13 8.1 x 10-12 1.6 x 10-10 1.4 x 10" 1.8 x...
Propose buffer components to hold a pH = 4.0. Let the acid have a
concentration of 0.21 M.
Identity Concentration
Acid ? 0.21 M
Base ? ?
Ksp values: CaCO3 CaF2 Ca(OH)2 Ca3(PO4)2 Fe(OH)2 Fe(OH)3 MgCO3 8.7 x 10-9 4.0 x 10-11 8.0 x 10-6 1.2 x 10-26 1.6 x 10-14 1.1 x 10-36 4.0 x 10-5 Mg(OH)2 AgBr AgaCO3 AgCl Ag2SO4 Zn(OH)2 1.2 x 10-11 7.7 x 10-13 8.1 x 10-12 1.6 x 10-10 1.4 x 10" 1.8 x...
Propose buffer components to hold a pH = 10.8
Let the base have a concentration of 0.35 M.
Identity Concentration
Acid ? ?
Base ? 0.35 M
Ksp values: CaCO3 CaF2 Ca(OH)2 Ca3(PO4)2 Fe(OH)2 Fe(OH)3 MgCO3 8.7 x 10-9 4.0 x 10-11 8.0 x 10-6 1.2 x 10-26 1.6 x 10-14 1.1 x 10-36 4.0 x 10-5 Mg(OH)2 AgBr AgaCO3 AgCl Ag2SO4 Zn(OH)2 1.2 x 10-11 7.7 x 10-13 8.1 x 10-12 1.6 x 10-10 1.4 x 10" 1.8 x...
4) (24 points) What is the solubility of Fe(OH)s (iron(III) hydroxide)... a) ...pure water? b) ...0.036 M Fe(NO3)3? Ka values: HCI HNO3 H2SO4 HSOF 113x102 HsPO7.5 x 103 HF HNO2 strong CH3COOH 1.8 x 10 CHNHF 5.9 x 106 HCO 4.2x 10 H2CO3 strong HaPO 62x 10 H2PO4 7.1 x 104 4.5 x 1 HCN HCO3 HPO4 4.9 x 10 48 x 101 1.7 x 10" HCOOH Ksp values: Mg(OH)212x 10 | AgBr _ 17,7 x10.TS- і I 8.7 x...
???
Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c. aluminum hydroxide d. chlorous acid e. strontium hydroxide f lead(II) hydroxide g. phosphorous acid h. ammonia 6.1 Calculate the pH of the following solutions: a. [H3O+] = 5.6 x 103 6.2 b. [H30']-3.8 x104 c. [H3O] 2.7 x 10-5 d. [H3O']- 1.0 x 109 6.3 For each of the following strong base solutions, determine (OH ], (10], and pri. a. 6.5 x 10 M...
I need help with #4. "show by calculation why acetic
acid (Ka = 1.8 X 10^-5), when combined with NaC2H3O3 as a buffer,
will not produce a pH o 9.00"
1. What is the pH of a 1.0L buffer that is 0.10 M in Naz HPO4 and 0.15 M in NaH2PO4? Write the equilibrium reaction equation and corresponding Ka expression for the buffer. K for H2PO4 is 6.2 X 108 2. A 10.00 mL sample of 0.300 M NH3 is...
PLEASE COMPLETE ALL ANSWER. SHOW ALL WORK.
For questions 10 and 11. You need a buffer with a pH of 3.50 for a certain experiment. You decide to prepare this buffer using formic acid, CHO2H,(Ka =1.8 x 104) and sodium formate, NaCHO2. The concentration of formic acid, CHO2H, in this buffer is 0.150M. 10. (10 pts) Calculate the concentration of formate, CHO2. Report 2 significant figures. Show work. 11. (5 pts) How many grams of formic acid (46.03 g/mol) should...
If you need anymore values let me know! Thanks so much for your
help!
Use the References to access important values if needed for this question. How many grams of solid ammonium bromide should be added to 1.50 L of a 0.166 M ammonia solution to prepare a buffer with a pH of 8.560 ? grams ammonium bromide Use the References to access important values if needed for this question. How many grams of solid potassium cyanide should be added...
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