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A lactic acid/lactate ion buffer solution contains 0.43 MHC3H5 03 and 0.80 MC,H50,-, respectively. The Ka...
please answer the two questions and thank you An ammonia/ammonium buffer solution contains 0.36 MNH, and 0.77 MNH, The Ky value of ammonia is 1.8 x 10 Calculate the pH of this buffer Express the pH numerically. View Available Hint(s) ΟΙ ΑΣΦ * O ? pH = Submit Alactic acid lactate lon butter solution contains 0 49 MHC H,O, and 0.82 MC,H,O, respectively The K, value of lactic acid is 1.4 x 10 Calculate the pH of this buffer Express...
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)
A buffer is prepared by adding 0.15 mol of lactic acid, CH3CHOHCOOH, and 0.20 mol of sodium lactate, Na+CH3CHOHCOO - , to sufficient water to make 1.0 L of buffer solution. The Ka of lactic acid is 1.4 x 10 - 4. Calculate the pH of the buffer.
Lactic acid, HC3H5O3 , is a weak acid in aqueous solution, Ka = 1.4 × 10−4 . Calculate Kb for the lactate ion, C3H5O –
A buffer solution is made such that the initial concentrations of lactic acid (HC3Hs03) and the lactate ion (C3HO) are 0.600 M and 0 620 м, respectively What is the resulting pH it 100 0 mL of 0 200 M potassium hydroxide is added to 0300 L of the buffer solution? (The Ka of HCJHs03 is 1.4x 10) Answer Check
Lactic acid is a simple organic acid that is somewhat stronger than acetic acid. The lactate ion is the conjugate base of lactic acid and is one product of animal (including human) metabolism. Ka for lactic acid is 1.38 x 10-4. If the resting amount of lactate in blood is 2.0 mM and typical blood pH is 7.40, what is the lactic acid concentration in blood? Calculate the pH of a 0.0100 M solution of lactic acid. Calculate the pH...
What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =3.94?
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).
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=1.37*10^-4) to lactate in a solution with pH = 4.27?