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2. Consider the following two solutions: Solution A has a volume of 1 litre which contains 0.35 moles of acetic acid an...
A 1.00-litre buffer solution is made up containing 0.100 mol acetic acid and 0.200 mol sodium...
A 1.00-litre buffer solution is made up containing 0.100 mol acetic acid and 0.200 mol sodium acetate: what is its’ pH? Then, 0.0500 mol of HCl gas is bubbled into the solution (assume no change in volume): what is the new pH? Data: pKa for acetic acid = 4.76
1. Determine the number of moles of reagent in the following solutions: a. 25.00 mL of...
1. Determine the number of moles of reagent in the following solutions: a. 25.00 mL of 0.10 M acetic acid b. 5.55 mL of 0.092 M NaOH C. 0.50 mL of 0.087 M HCI 2. A buffer solution contains 0.120 M acetic acid and 0.150 M sodium acetate. a. How many moles of acetic acid and of sodium acetate are present in 50.0 mL of solution? b. If we add 5.55 mL of 0.092 M NaOH to the solution in...
a solution is prepared by mixing 2.50 g of acetic acid (CH3CO2H, FW=60g/mol, Ka=1.75x10^(-5) with 4.70...
a solution is prepared by mixing 2.50 g of acetic acid (CH3CO2H, FW=60g/mol, Ka=1.75x10^(-5) with 4.70 g of sodium acetate (CH3CO2Na, FW=82g/mol) and adding water to a 500 mL volume. Note that sodium acetate yields Na+ and CH3COO-, the conjugate base of acetic acid. a.) what is the pH? b.) 15mL of 0.50 M HCl were added to the 500 mL solution, what is the pH after addituon of acid? write answer to 3 sig. figured.
Calculate the pH for each of the following conditions: a. 0.15M acetic acid b. What is...
Calculate the pH for each of the following conditions: a. 0.15M acetic acid b. What is the pH of the resulting solution if 30.00 mL of 0.15M acetic acid is added to 10.00 mL of 0.15 M NaOH? Assume that the volumes of solutions are additive, Ka = 1.8*10^-5 for CH3CO2H c. What is the pH of a solution made by mixing 30.00 mL of 0.15M acetic acid with 30.00 mL oof 0.15M KOH? Assume that the volumes of the...
A buffer solution contains 0.05 mol of acetic acid and 0.065 mol of sodium acetate in...
A buffer solution contains 0.05 mol of acetic acid and 0.065 mol of sodium acetate in 1.00-L. What is the pH of the buffer after the addition of 0.01 mol of HNO3? Ka(acetic acid) = 1.8 x 10^-5 Thank you!
A 1.0 L buffer solution contains .30 moles acetic acid and .10 moles lithium acetate. which...
A 1.0 L buffer solution contains .30 moles acetic acid and .10
moles lithium acetate. which of the following actions will destroy
the buffer?
A 1.0 L buffer solution contains 0.30 moles acetic acid (CH3CO2H) and 0.10 moles lithium acetate (CH,COLI). Which of the following actions will destroy the buffer? A. Addition of 0.10 moles of NaOH B. Addition of 0.10 moles of HCI
a buffer solution of pH =5.30 can be prepared by dissolving acetic acid and sodium acetate...
a buffer solution of pH =5.30 can be prepared by dissolving acetic acid and sodium acetate in water. How many moles of sodium acetate must be added to 1 L of 0.25 M acetic acid to prepare the buffer? Ka(CH3COOH)=1.8 x 10^-5
Part A Acetic acid has a Ka of 1.8×10−5. Three acetic acid/acetate buffer solutions, A, B, and C, were made using varyi...
Part A Acetic acid has a Ka of 1.8×10−5. Three acetic acid/acetate buffer solutions, A, B, and C, were made using varying concentrations: [acetic acid] ten times greater than [acetate], [acetate] ten times greater than [acetic acid], and [acetate]=[acetic acid]. Match each buffer to the expected pH. Drag each item to the appropriate bin. Part B How many grams of dry NH4Cl need to be added to 2.40 L of a 0.100 M solution of ammonia, NH3, to prepare a...
To have solutions of HCl and acetic acid (CH3CO2H) with the same pH, which of the...
To have solutions of HCl and acetic acid (CH3CO2H) with the same pH, which of the following needs to be done? The concentration of each solution needs to be the same. The concentration of HCl needs to be higher. The concentration of acetic acid needs to be higher. The solutions can never have the same pH. Volume of acetic acid solution must be lower.
Acetic acid has a Ka of 1.8*10^-5. Three acetic acid/ acetate buffer solutions, A,B, and C, wer made using varying conce...
Acetic acid has a Ka of 1.8*10^-5. Three acetic acid/ acetate buffer solutions, A,B, and C, wer made using varying concentrations: 1. [acetic acid] ten times greater than [acetate] 2. [acetate] ten times greater than [acetic acid] 3. [acetate] = [acetic acid] Match each buffer to the expected pH pH = 3.74 pH= 4.74 pH = 5.74
1. Determine the number of moles of reagent in the following solutions: a. 25.00 mL of 0.10 M acetic acid b. 5.55 mL of 0.092 M NaOH C. 0.50 mL of 0.087 M HCI 2. A buffer solution contains 0.120 M acetic acid and 0.150 M sodium acetate. a. How many moles of acetic acid and of sodium acetate are present in 50.0 mL of solution? b. If we add 5.55 mL of 0.092 M NaOH to the solution in...
A 1.0 L buffer solution contains .30 moles acetic acid and .10
moles lithium acetate. which of the following actions will destroy
the buffer?
A 1.0 L buffer solution contains 0.30 moles acetic acid (CH3CO2H) and 0.10 moles lithium acetate (CH,COLI). Which of the following actions will destroy the buffer? A. Addition of 0.10 moles of NaOH B. Addition of 0.10 moles of HCI
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