Science Chemistry Chemistry questions and answers 3. What is the pH of 0.03 M H2CO3? pH =

2024年5月26日 · The pH of H2CO3 (carbonic acid) is around 3.6 at a concentration of 1 mM. This is considered a weak acid with a relatively low pH compared to strong acids. AnswerBot ∙ …

Question: 1) The H2CO3/HCO3- buffer couple helps to stabilize the pH in human blood. The pKa value of carbonic acid is 6.1 at 37 °C (normal human temperature).

Question: Sketch the titration curve for carbonic acid H2CO3. Plot pH on the ordinate axis and relative equivalents of base added on the abscissa axis. Using this figure, indicate what the …

Substitute the given ratio of 25/1 (for bicarbonate to carbonic acid) into the equation pH = 6.1 + log ([H C O 3 −] [H 2 C O 3]).

Question: The pH of blood depends on the [HCO3/H2CO3] balance. ( [H2CO3] is equal to the amount of dissolved CO2) Calculate the bicarbonate (HCO3) : carbon dioxide ratio for a …

Question: pH = 6.1 + log [HCO3-1/ (H2CO3) What is the pH if the ratio of bicarbonate to carbonic acid is 20/1.5 О 7.31 7.22 ОООО 7.66 07:45

Question: Carbonic acid (H2CO3) and bicarbonate ion (HCO3-) are used as a buffer system to regulate the blood pH. An exhausted marathon runner experienced acidosis as his blood pH …

Question: A solution of carbonic acid (H2CO3) has a pH of 5.55. If the pka of carbonic acid is 6.35, answer the following: Ratio of base/acid: Ratio of protonated to deprotonated carbonic …

H + HCO3 → H2CO3 Calculating pH for bases Complete the following table. [H“) M pH Molarity Degree of [OH-] M of Base Ionization - (Molarity of OH') Ionization (decimal)) 1x 10- 100% 1 x …