Find the pH of a 0.045M Lactic Acid
(Ka=1.3X10^-3)
Determine the pH of a 0.045M CaSO3. The Ka for SO3 is 1.3x10^-2
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) Determine the pH of 0.10 M lactic acid (HC3HSO3) (b) What is the pH of a buffer that is 0.12 M. lactic acid and 0.10 M sodium lactate (NaC3H5O3)? For lactic acid. Ka = 1.4 x 10-4. (10)
What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH = 4.33?
What is the ratio of lactic acid (Ka=1.37*10^-4) to lactate in a solution with pH = 4.27?
what is the ratio of lactic acid (Ka-1.37x10-4) to lactate in a solution with pH-3.967 1st attempt Ihl See Periodic Table Write your ratio out as a number containing a decimal. (lactic acid) lactate]
2. Calculate the pH of a 0.0045 M lactic acid solution. HC 04, Ka = 1.4x10-4
What is the pH of a buffer that is 0.12 M in lactic acid (HC3H503) and 0.10 m in sodium lactate? For lactic acid, Ka= 1.4x10-4 a 3.77 6.3.85 OC 10.33 d. 1.20
What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =3.94?
10. (a) Determine the pH of 0.10 M lactic acid (HC3H5O3) (b) What is the pH of a buffer that is 0.12 M lactic acid and 0.10 M sodium lactate (NaC2H5O3)? For lactic acid. Ka - 1.4 x 104. (10) 11. Hydrazine, N2H4, is a weak base. Write the equation for the reaction of hydrazine with water and write the expression for Kb. (5) Na Hj