Please show process! Thank you! 11. Use the equation below to calculate the pOH of a...
Please show a step by step process of how
to get Part B. Thank You!
6. a) Calculate the pH of a solution prepared by dissolving 0.0775 mol acetic acid and 0.0460 mol sodium acetate in 1 L of water. (Ka = 1.8 x 10-5) ANSWER: 4.52 b) Calculate the pH of the above solution if 0.0100 mol of KOH is added to this solution. ANSWER: 4.66
number 6 and 7 please?
For the following problems, you must show your work to receive ANY credit. You must show the appropriate balanced chemical equation to receive ANY credit for the following calculations. 6. Calculate the pH of a 0.255 M aqueous solution of formic acid (HCO,H). K = 18 x 10-5 M. (8 pts) M. 7. Calculate the pH of a 0.275 M aqueous solution of dimethylamine ((CH3)2NH). Kb = 54 x 10 (8 pts)
Calculate the equilibrium concentrations of all species. (Use
Kc equilibrum equation). Please show work, thank you!
2CO2(g) 2C0(g) O2(g) 20. Ke 2.00 x 10 If 2.0 mol CO2 is initially placed into a 5.0 L vessel, calculate the equilibrium concentrations of all species. 2 ME
Activity #2 Calculate the pH of the following basic solutions. 1. Calculate the pH and pOH of a 0.200 M Ca(OH)2 2. Calculate the equilibrium concentrations for [OH-], [HB+), and [B], the pH and pOH for a 0.200 M pyridine solution. (CsH5N) Kb = 1.4 X 10-9 3. Calculate the equilibrium concentrations for [OH-], [HB], and [B], the pH and pOH for a 0.200 M methylamine. (CH3NH2) Kb = 4.4 X 10-4 4. Calculate the equilibrium concentrations for [OH-], [HB+],...
please answer both 12 and 13! and explain, thank you!!
12). (4 pts) Lactic acid builds up in has a pH of 1.9. What is the K, for the a In our muscles after a workout. A solution of 0.2 M lactic acid OR •X A 1.oxloly A) 0.187 B) 0.013 C) 8.5 x 10" D) 3.2 x 10 E) 1.6 x 10" 14 POH 13. ( 4 pts) Caffeine, a stimulant in coffee and tea, is a weak base...
What is the answer for 11, 12, and 14? and please show how you
calculate it!
11). (4 pts) What is the approximate degree of dissociation of a 0.5 M solution of butyric acid? 10g LHT Butyric acid is responsible for the odor in rancid butter and has a pKa of 4.82. 109ci.61x(0 A) 0.55 % B)4.5 % C) 5.5 % D) 99.9% E) None of these choices are correct. 12). (4 pts) has a pH of 1.9. What is...
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you.
Calculate the pH of a 0.10 M solution of sodium acetate NaC_2H_3O_2.
Please help me find the pH , please show work as well.
Thank you .
Please help me find the pH , please show work as well. Thank you . What is the pH of a 0.10 M solution of NaC6H5COO-. The Kb of C6H5COO- is 5.6 x10^-10
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Calculating pH, POH, (OH) and (H30*] 2) A solution of HC2H2O2 has a concentration of 0.00045 M H what is the pH of the solution? (show your work). PH 3) If a solution has a concentration of 1.23x106 MH* what is the concentration of OH? (show your work). (OH) 4) An unknown solution of HNO3(aq) has a pH of 2.96. What is the concentration of H* (aq) in solution? (show your work). [H30*)
This is Math Differential Equation. Please Show Your Full Work.
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8. (7 pts) Solve y"-10'+25y Se In x by variation of parameters.
8. (7 pts) Solve y"-10'+25y Se In x by variation of parameters.