Lactic acid (CH3CH(OH)COOH) has one acidic hydrogen. A 0.10 M solution of lactic acid has a...
Calculate Ka.
Express your answer using two significant figures.
Ka=
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Lactic acid (CH3CH(OH)COOH) has one acidic hydrogen. A 0.10 M
solution of lactic acid has a...
Lactic acid (CH3CH(OH)COOH) has only one acidic hydrogen which can dissociate as follows: CH3CH(OH)COOH (aq) +...
Lactic acid (CH3CH(OH)COOH) has only one acidic hydrogen which can dissociate as follows: CH3CH(OH)COOH (aq) + H20 (1) --- H30+ (aq) + CH3CH(OH)COO (aq) A 0.10 M solution of lactic acid has a pH of 2.44. Calculate the Ka. Ка? 10^
QUESTION 3 Lactic acid, CH3CH(OH)cooH, is a weak acid with Ka 1.4x10-4. The pH of a...
QUESTION 3 Lactic acid, CH3CH(OH)cooH, is a weak acid with Ka 1.4x10-4. The pH of a 0.250 M solution of lactic acid is and percent dissociation of this acid is %. (Fill in the blanks. Show the numbers only. Report both of the numbers with 2 significant figures)
a) calculate the ph of a .20 M aqueous solution of lactic acid CH3CH(OH)COOH, the value...
a) calculate the ph of a .20 M aqueous solution of lactic acid CH3CH(OH)COOH, the value of ka is 1.4 x 10^-4 M and it is at 25c b) what is the molarity of unreacted lactic acid in the solution?
Lactic acid has one acidic proton . What is the pH of a 0.10 M solution...
Lactic acid has one acidic proton . What is the pH of a 0.10 M solution of this acid? Ka =1.4 x10-4 for lactic acid ????/
A buffer is made by adding 0.350 mol lactic acid, CH3CH(OH)COOH, and 0.350 mol potassium lactate,...
A buffer is made by adding 0.350 mol lactic acid, CH3CH(OH)COOH, and 0.350 mol potassium lactate, CH3CH(OH)COOK, to enough water to make 1.10 L of solution. The pKa is equal to 4.24. Calculate the pH of this solution after 3.0 mL of 3.0 M KOH is added to the buffer.
10 ml containing 1.0 mmole of lactic acid solution, CH3CH(OH)COOH, (pKa=3.86) was titrated with NaOH solution...
10 ml containing 1.0 mmole of lactic acid solution, CH3CH(OH)COOH, (pKa=3.86) was titrated with NaOH solution up to a total volume of 100 ml a. what is the concentration of the base solution required for a full neutralization of the lactic acid? b. what is the pH at the equivalent point? c. what will be the pH of the solution obtained after adding 0.2 mmole of NaOH(S) (SOLID!)
2. A 0.10 M solution of lactic acid, a weak monoprotic acid of to have a...
2. A 0.10 M solution of lactic acid, a weak monoprotic acid of to have a pH of 2.43. What is the value of Ka for the acid and the %
Ka 1.4 × 10−4 M of CHmCH(OH)COOH What is the the pH of a 0.20-M aqueous...
Ka 1.4 × 10−4 M of CHmCH(OH)COOH What is the the pH of a 0.20-M aqueous solution of lactic acid. what is the molarity of unreacted lactic acid in the solution?
A. What is the pH of 2L of a buffer solution containing 80.0 grams of lactic...
A. What is the pH of 2L of a buffer solution containing 80.0 grams of lactic acid (CH3CH(OH)COOH) (90.08 g/mol) and 100.0 grams of sodium lactate (CH3CH(OH)COONa) (112.06 g/mol)? B. What will be the pH of the solution formed from adding 20mL of 8.0 M HCl to the buffer described in Part A of this question? (Ignore the change in volume) For part A, because we aren't given pKa, am I right to assume that we'd be finding the molarity...
A 0.135 M weak acid solution has a pH of 3.60. Find Ka for the acid....
A 0.135 M weak acid solution has a pH of 3.60. Find Ka for the acid. Express your answer using two significant figures.
Lactic acid (CH3CH(OH)COOH) has only one acidic hydrogen which can dissociate as follows: CH3CH(OH)COOH (aq) + H20 (1) --- H30+ (aq) + CH3CH(OH)COO (aq) A 0.10 M solution of lactic acid has a pH of 2.44. Calculate the Ka. Ка? 10^
QUESTION 3 Lactic acid, CH3CH(OH)cooH, is a weak acid with Ka 1.4x10-4. The pH of a 0.250 M solution of lactic acid is and percent dissociation of this acid is %. (Fill in the blanks. Show the numbers only. Report both of the numbers with 2 significant figures)
2. A 0.10 M solution of lactic acid, a weak monoprotic acid of to have a pH of 2.43. What is the value of Ka for the acid and the %
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