What is the pH of a 1.00 L solution containing 0.295 M lactic acid, HC3H5O3 (pKa...
What is the pH of a 1.00 L solution containing 0.295 M lactic acid, HC3H5O3 (pKa = 3.86) and 0.295 M sodium lactate, NaC3H5O3, upon the addition of 0.055 mol HCl? Assume no significant volume change occurs.
Homework Answers
Add Answer to:
What is the pH of a 1.00 L solution containing 0.295 M lactic
acid, HC3H5O3 (pKa...
A buffer is made by adding 0.120 mol of lactic acid, (CH3COHCOOH - monoprotic), HC3H5O3, and...
A buffer is made by adding 0.120 mol of lactic acid, (CH3COHCOOH - monoprotic), HC3H5O3, and 0.100 mol of sodium lactate, NaC3H5O3 to enough water to make 1.00 L of solution. The pH of the buffer was calculated in question # 6. A) Calculate the pH of the solution after 0.001 mol of NaOH is added. Ka (lactic acid) = 1.4 x 10-4. Assume no volume change. B) Calculate the change in pH if 0.001 mol of NaOH is added...
11a) 1.00 moles of lactic acid (HC3H5O3, Ka = 1.4 x 10-4) and 1.00 moles of...
11a) 1.00 moles of lactic acid (HC3H5O3, Ka = 1.4 x 10-4) and 1.00 moles of sodium lactate (NaC3H5O3) are dissolved in water resulting in a solution with a final volume of 550 mL. What is the pH of the solution after the addition of 0.080 moles of HCI? a. 0.80 b. 1.8 C. 2.8 d. 3.8
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 buffer contains 0.020 mol of lactic acid (pKa = 3.86) and 0.100 mol sodium lactate...
A buffer contains 0.020 mol of lactic acid (pKa = 3.86) and 0.100 mol sodium lactate per liter of aqueous solution. a. Calculate the pH of this buffer. b. Calculate the pH after 8.0 mL of 1.00 M NaOH is added to 1 liter of the buffer (assume the total volume will be 1008 mL).
Solution A is a 1.00 L buffer solution that is 1.196 M in acetic acid and...
Solution A is a 1.00 L buffer solution that is 1.196 M in acetic acid and 1.196 M in sodium acetate. Acetic acid has a pKa of 4.74. What is the pH change of this solution upon addition of 0.1 mol of HCl? Enter your answer numerically to three significant figures.
A. Calculate the pH of a solution containing 0.2M lactic acid (pKa = 3.86) B. Calculate...
A. Calculate the pH of a solution containing 0.2M lactic acid (pKa = 3.86) B. Calculate the pH of a solution of 1x10^-9 M HCl (strong acid) in distilled water. Show your work.
2.) Consider a 1.00L of buffer that is 0.139M in lactic acid (C3H5O3H) and 0.134M in sodium lactate (C3H5O3- Na+). Calcu...
2.) Consider a 1.00L of buffer that is 0.139M in lactic acid (C3H5O3H) and 0.134M in sodium lactate (C3H5O3- Na+). Calculate the pH of the buffer after adding 0.0500 mol of HCl into the buffer solution. (Assume no volume change) pKa of lactic acid is 3.86
A buffer contains 0.010 mol of lactic acid (pKa = 3.86) and 0.050 mol of sodium...
A buffer contains 0.010 mol of lactic acid (pKa = 3.86) and 0.050 mol of sodium lactate per liter. (a) Calculate the pH of the buffer. (b) Calculate the change in pH when 5.0 mL of 0.50 M HCl is added to 1.0 L of the buffer. (c) What pH change would you expect if you added the same quantity of HCl to 1.0 L of pure water?
A buffer solution is made such that the initial concentrations of lactic acid (HC3H5O3) and the...
A buffer solution is made such that the initial concentrations of lactic acid (HC3H5O3) and the lactate ion (C3H5O3-) are both 0.600 M. What is the resulting pH if 10.0 mL of 1.00 M HCL is added to 0.500 of the buffer solution? (ka of HC3H5O3= 1.4 x 10^-4)
Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic...
Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of a 1.0M sodium lactate. (pka of lactic acid = 3.86) Calculate the change in pH that occurs when 0.01moles of OH are added to a 1L buffered solution that contains 0.5M acetic acid (HC_2H_3O_2) and 0.5M acetate ion (C_2H_3O_2). Acetic acid pka = 4.76.
11a) 1.00 moles of lactic acid (HC3H5O3, Ka = 1.4 x 10-4) and 1.00 moles of sodium lactate (NaC3H5O3) are dissolved in water resulting in a solution with a final volume of 550 mL. What is the pH of the solution after the addition of 0.080 moles of HCI? a. 0.80 b. 1.8 C. 2.8 d. 3.8
Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of a 1.0M sodium lactate. (pka of lactic acid = 3.86) Calculate the change in pH that occurs when 0.01moles of OH are added to a 1L buffered solution that contains 0.5M acetic acid (HC_2H_3O_2) and 0.5M acetate ion (C_2H_3O_2). Acetic acid pka = 4.76.
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago