The pK, value for H2S is 7.00. What mole ratio of KHS to H2S is needed...
is 7.19. What mole ratio of K2 SO3 to KHSO3 is needed to prepare a buffer with a pH of 6.89? The pK value for HSO3 SO32 HSO3] Submit Answer Retry Entire Group 9 more group attempts remaining is 7.19. What mole ratio of K2 SO3 to KHSO3 is needed to prepare a buffer with a pH of 6.89? The pK value for HSO3 SO32 HSO3] Submit Answer Retry Entire Group 9 more group attempts remaining
a aTles if needed for this qsestion. p The pK, value for HC20 is 4.19. What mole ratio of K3C204 to KHC204 is needed to prepare a buffer with a pH of 4.55? [C204] HC,O4-
A buffer solution is 0.419 M in H2S and 0.354 M in KHS. If Kg1 for H2S is 1.0 x 10-7, what is the pH of this buffer solution? pH =
A buffer solution is made that is 0.491 M in H2S and 0.491 M in KHS If Ka1 for H2S is 1.00 x 10, what is the pH of the buffer solution? pH= Write the net ionic equation for the reaction that occurs when 0.102 mol NaOH is added to 1.00 L of the buffer solution. (Use the lowest possible coefficients. Omit states of matter.)
A buffer solution is made that is 0.342 M in H2S and 0.342 M in KHS. (1) If K, for H2S is 1.0010-?, what is the pH of the buffer solution? (2) Write the net ionic equation for the reaction that occurs when 0.078 mol KOH is added to 1.00 L of the buffer solution. +
A buffer solution is made that is 0.445 M in H2S and 0.445 M in KHS. Kal If for H2S is 1.00 x 10-7, what is the pH of the buffer solution? pH = Write the net ionic equation for the reaction that occurs when 0.112 mol HNO3 is added to 1.00 L of the buffer solution. (Use the lowest possible coefficients. Omit states of matter. Use H30+ instead of H+) + +
A buffer solution is made that is 0.445 M in H2S and 0.445 M in KHS. Kal If for H2S is 1.00 x 10-7, what is the pH of the buffer solution? pH = Write the net ionic equation for the reaction that occurs when 0.112 mol HNO3 is added to 1.00 L of the buffer solution. (Use the lowest possible coefficients. Omit states of matter. Use H30+ instead of H+) + +
A buffer solution is 0.475 M in H2S and 0.388 M in KHS. If K, for H, Sis 1.0 x 10-7, what is the pH of this buffer solution? pH Submit Answer Retry Entire Group 8 more group attempts remaining
a) b) The pKa value for HCOs 10.10? is 10.30. What mole ratio of K2CO3 to KHCOs is needed to prepare a buffer with a pH of CO,2 [HCO3-]
A solution is prepared by adding 0.400 mol of hydrogen sulfide, H2S (pKa = 7.00) and 0.400 mol of the hydrogen sulfide ion, HS to 100.0 mL of water. Predict the final pH when 55.0 mL of 1.10 M NaOH is added to this buffer solution. Please explain. Thank you!