Why is the equilibrium between the acid NaH2PO4, and its conjugate base Na2HPO4, a suitable buffer for maintaining intracellular pH (pH 6.9-7.3)? Justify your answer using your titration curve from part A.

Q: Calculate the pH of a blood plasma sample with a total CO, concentration of 25.7 mM and bicarbonate…

A: Given,The total concentration of CO2 is 25.7 mM.The concentration of bicarbonate is 24.4 mM.The pKa…

Q: An analytical chemist is titrating 140.2 mL of a 0.5600M solution of isopropylamine ((CH3)2CHNH2)…

A: Step 1: 1. Calculate moles of isopropylamine initially:   Initial moles of isopropylamine=0.1402…

Q: You have a 0.5 L solution that is 30 mM citric acid and 0.02 M sodium citrate. What is the pH of…

A:

Q: Consider an aqueous solution containing H+, OH−, Ca2+, “H2CO3” [actually mostly CO2(aq)], HCO3−,…

A: Given species are: H+, OH−, Ca2+, “H2CO3” [actually mostly CO2(aq)], HCO3−, CO32−, Ca(HCO3)+,…

Q: What is the pH of a buffer solution that contains 0.180 M of a fictitious base and 0.135 M of its…

A: A mixture of weak acid and its conjugate ion with strong base forms an acidic buffer solution. A…

Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

A: To determine the effects of pH on the solubility of these compounds and identify at which pH the…

Q: An analytical chemist is titrating 139.4 mL of a 0.7600M solution of isopropylamine ((CH3)₂CHNH₂)…

A: Volume of isopropyl amine solution=  139.4 mL  Molarity of isopropyl amine solution= 0.7600M…

Q: What is the pH of a buffer that results when 5.46 mole of H3PO4 is mixed with 2.97 mole of NaOH and…

A: · Moles of H3PO4 = 5.46 mol· Moles NaOH = 2.97 mol· Volume of solution = 1.00 L· Ka1 = 7.5 × 10–3

Q: water sample

A: Generally, drinking water has a pH of 7, which is neither acidic nor basic and is safe to drink. The…

Q: Calculate the volume, in milliliters, of 0.170 M NaOH that must be added to 353 mL 0.0443 M…

A: A buffer solution is a type of solution that resists changes in pH when small amounts of an acid or…

Q: Which one of the following statements is correct concerning the acetic acid in vinegar and…

A: Starch can be used as a binder in antacid tablets.

Q: What are the pKa values and buffering capacity of these following buffer components?…

A: To determine the pKa values and buffering capacity of these following buffer…

Q: Unlike propanoic acid, magnesium hydroxide, Mg(OH)2 does not dissolve well in water.  The Ksp of…

A:

Q: The pH of the buffer solution that formed between CH3COOH and CH3COONa is 4.97. What is the ratio of…

A: pH is used to determine the concentration of hydronium ion.

Q: Explain how the H2CO3/HCO3 buffer system helps maintain blood serum at constant pH with the help of…

A: The objective of the question is to understand how the bicarbonate buffer system (H2CO3/HCO3-) works…

Q: Suppose there is 1.00 L of an aqueous buffer containing 60.0 mmol of formic acid (pKa=3.74) and 40.0…

A: Weak acid are those acid which does not dissociate completely in aqueous solution and weak base are…

Q: Describe how would you prepare a "phosphate buffer" with a pH about 7.50. pka2 = 7.21 Na2HPO4 =1.99…

A: To check which of the following system of solution would given required buffer solution with pH =…

Q: What amount of sodium formate must be added to a 1.00 L solution containing 1.28 moles of formic…

A: Given: Volume of solution = 1.00L moles of formic acid = 1.28 moles pH = 4.10 pKa= 3.74 To find: The…

Q: Sodium hypochlorite (NaOCl, the active ingredient of bleach) was dissolved in a solution buffered to…

A: 1) Solution buffered to pH = 6.20 2) NaOCl as an active bleaching agent pKa=7.518

Q: A buffer was created using ascorbic acid and sodium ascorbate. What is the pH of the buffered…

A: Given,H2C6H6O6 = 5.5 × 10-5 MHC6H6O6-1 = 3.5 × 10-4 MKa = 8.00 × 10-5Required,…

Q: What is the ratio of the concentration of acetic acid and acetate ions required to prepare a buffer…

A: The given data contains, pH = 5.12 pKa of acetic acid = 4.81

Q: A student titrated 50.0mL of a 0.10M solution of a certain weak acid with NaOH(aq). The results are…

A: Identify a pH value between 2.5 and 7.5 at which the concentration of the weak acid being titrated…

Q: Which of the following compounds could be used to create a buffer with a pH of 9.00? ammonia, Kb =…

A:

Q: Calculate the pH of a dihydrogen phosphate/hydrogen phosphate buffer prepared with each of the…

A: The pH of a buffer can be calculated by using the Henderson-Hassalablch equation. The formula is:…

Q: What is the pH of a buffer solution that contains 0.305 M of a fictitious weak acid and 0.469 M of…

A:

Q: Blood has a normal pH of about 7.40. Lactic acid has a pKa of 3.08. Is lactic acid…

A: pH of blood = 7.40  pKa of lactic acid = 3.08

Q: The pKa of acetic acid is 4.74. What is the pH of a buffer solution that is prepared from 0.010 M…

A: Buffer solution have tendency to resist pH change on addition of small amount of strong acid or…

Q: Suppose a biochemist has 10 mL of a 1.0 M solution of a compound with two ionizable groups at a pH…

A:

Q: Histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2, as shown below (His = imidazole…

A: The three pKa values shows that there are 3 replaceable hydrogens in the molecule(represented as…

Q: Acetic acid’s pKa is 4.75 and nitrous acid’s pKa is 3.16. If you made one buffer of equal parts…

A: Given: pKa of acetic acid = 4.75  pKa of nitrous acid = 3.16  And both the buffers have an equal…

Q: Calculate the pH of a 2.00 M Na2CO3 given that the pKa’s of the first and second dissociation of…

A: The pH for the solution of 2.00 M Na2CO3 is to be calculated. Given: pKa1 = 6.37 pKa2 = 10.32.…

Q: An unknown weak acid was determined using its acid dissociation constant. Different concentrations…

A: The data given is,

Q: You made a pH 9.0 buffer solution at 25° C by mixing NaOH and histidine (HisH) to give a solution…

A: The buffer considered has pH = 9.00Constituents of the buffer: NaOH and HistidineTotal concentration…

Q: 3) What is the pH of a buffer solution made by adding 0.15 mole of lactic acid HC3H;O, and 0.12 mole…

A: Given, moles of lactic acid = 0.15 mole moles of sodium lactate = 0.12 mole Ka = 1.4 x 10-4  volume…

Q: You are asked to make a buffer of pH 3.4 and given the above acids. Of these acids, which would…

A: A buffer solution is a mixture of a weak acid and its conjugate base or weak base with its conjugate…

Q: A buffer solution is made that is 0.411 M in H₂S and 0.411 M in NaHS. If Kal for H₂S is 1.00 x 10-7,…

A:

Q: Both benzoic acid and the sodium salt of its conjugate base, sodium benzoate, are common…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Calculate the pH of a dihydrogen phosphate/hydrogen phosphate buffer prepared with each of the…

A: to calculate acidic buffer pH  equation is      pH = pKa + log[salt] / [acid]

Q: Sulfurous acid is a diprotic acid with the following acid-ionization constants: K1 - 1.4x10-2, K2 =…

A:

Q: Calculate the sodium acetate/acetic acid ratio to prepare a buffered solution with a pH of 5.06.…

A:

Q: Consider a 1M solution that is prepared using the salt NH4NO. The pK, of ammonia is 4.7 and the pKa…

A: Salts are substances formed when an acid and base interact with each other to undergo…

Q: A pharmacist needs to prepare an oral solution for valproic acid at a dose of 144 mg. If you prepare…

A: In the realm of pharmaceutical compounding, precise formulations of oral solutions are imperative to…