why did the acetic acid odor reappear after the addition of HCI?
3. Why did the acetic acid odor disappear after the addition of NaOH? Draw a reaction as part of your answer. 4. Why did the acetic acid odor reappear after the addition of HCI? Draw a reaction as part of your answer. 5. Write the reaction for the interaction between acetic acid and sodium bicarbonate. 6. Compute the average percent acetic acid in your vinegar sample. Average % acetic acid Value on label of bottle
Why is precipitation seen after the addition of sulfuric acid to a solution containing salicylic acid and acetic anhydride?
Show your calculation for the buffer before and after the addition of HCI. Buffer: Mix 20mL of 0.1M acetic acid and 25ml of 0.1m sodium acetate. And add 5ml of 0.1m HCL to this buffer What is the ph before AND after the addition of hcl?
Amines and Amides Report Sheet D.4 Odor after adding HCI DS Odor after adding NaOH Change in red litmus paper D.5 Equation for the hydrolysis of acetamide in base. Questions and Problems 0.6 You have unknowns that are a carboxylic acide, an ester, and an amine. Describe how you would distinguish among them.
pH of acetic acid/acetate buffer pH of pure water Pure solution (no additions) Addition of 10 mL of 0.01 M HCI Addition of 10 mL of 0.01 M NaOH Comment on the changes in pH in the acetate buffer as opposed to that of pure water. What does this tell you about the role of a buffer?
Initial pH before base addition was 2.78 and the calculated
concentration of the diluted acetic acid solution was 0.16 M
4. Using the initial pH of the acetic acid before addition of any base and the calculated concentration of the diluted acetic acid solution, determine the K, of acetic acid.
ea 1. Solubility after adding HCl 2. Change in odor after adding HCl 3. Equations for the neutralization of amines with HCI (andenstd structural frimulas Aniline + HC1 N-methylaniline+ HCI Triethylamine +HCI Questions and Problems Q4 How does lemon juice remove the odor of fish?
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...
Acetic acid, CH3CO2H, is the solute that gives vinegar its characteristic odor and sour taste. (Ka was not given in this question) Part A: Calculate the pH in 0.840 M CH3CO2H. Part B: Calculate the concentrations of all species present (H3O+, CH3CO2−, CH3CO2H, and OH−) in 0.840 M CH3CO2H. Part C: Calculate the pH in 0.139 M CH3CO2H. Part D: Calculate the concentrations of all species present (H3O+, CH3CO2−, CH3CO2H, and OH−) in 0.139 M CH3CO2H.
Solution C is a 1.00 L buffer solution that is 1.240 M in acetic acid and 0.56 Min sodium acetate. Acetic acid has a pKa of 4.74. What is the pH change of this solution upon addition of 0.07700 mol of HCI? Enter a negative number to 3 decimal places.