The concentration of total phosphorous (HPO4^2- and H2PO4^-) found in a blood sample is determined by spectrometry to be 0.0034M. If the pH of the blood sample is 7.35 and the pka is 7.21, what is the concentration of H2PO4^- in the blood?

Q: 5. Calculate hydroxide, bicarbonate, and carbonate alkalinities of a water sample with a total…

A: Given: Total alkalinity is 3300 mg/L pH is 7.4 To find: [CO32-] and [HCO3-]

Q: What is the pH of a solution prepared by dissolving 1.00 g of the weak acid HA (molar mass = 138.95…

A: pH of solution can be found using the henderson-hesselbech equation.

Q: What is the pH of a buffered system made by dissolving 17.42 g of KH2PO4 (MM 136.1 g/mol) and 20.41…

A: Given : Mass of KH2PO4 = 17.42 g Mass of K2HPO4 = 20.41 g And Ka of KH2PO4 = 6.2 X 10-8  Molar mass…

Q: In the laboratory, a general chemistry student measured the pH of a 0.345 M aqueous solution of…

A: The ionization reaction for caffeine is as follows, C8H10N4O2+H2O→HC8H10N4O2++OH- For above…

Q: What should be the consumption of phenolphthalein and methylorange indicator as a result of the…

A: The question is based on the quantitative estimation of sodium carbonate and sodium bicarbonate…

Q: -The pKa of finalic acid is 6.50, What is the pH of an equimolar solution of finalic acid and sodium…

A: Given: Molarity of finalic acid         = 0.1 M Molarity of sodium finalate = 0.1 M pKa of finalic…

Q: Phosphoric acid is a triprotic acid with the p?a values p?a1=2.148, p?a2=7.198, and p?a3=12.375.…

A: Ionization of phosphoric acid is,

Q: A solution of acetic acid CH3COOH, on a laboratory shelf was of undetermined concentration. If the…

A: NOTE: As per our guidelines we are supposed to answer only one question when multiple questions are…

Q: etermine the pH of a solution that is prepared by dissolving 1.9 g of Ba(OH)2 in 8.1 L water at…

A: Molecular weight of Ba(OH)2 = 137.3 + 2(16+1.008) gm/mol = 171.316 gm/mol  Given that amount of…

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: Milimoles = Molarity × Volume.Number of milimoles of acid is equal to number of milimoles of base in…

Q: In the laboratory, a general chemistry student measured the pH of a 0.458 M aqueous solution of…

A: A numerical problem based on pH calculation, which is to be accomplished.

Q: 1) Calculate the pH of a solution prepared by dissolving 1.00 g of sodium acetate, CH3COONa, in 50.0…

A: Given, concentration of acetic acid : 0.15 M Mass of sodium acetate : 1.00 gm Volume of solution :…

Q: Calculate the pH of a solution made by dissolving 1.87g of sodium caproate (NaC6H11O2) in water and…

A: We will calculate pH

Q: Salts containing the phosphate ion are added to municipalwater supplies to prevent the corrosion of…

A: GIVEN: pKa1 = 7.5 x 10 - 3 pKa2 = 6.2 x 10 - 8  pKa3 = 4.2 x 10 - 13 Concentration of Na3PO4= 1 x 10…

Q: Calculate the pH of a solution made by combining 0.750 L of 0.523 M valeric acid (CH3(CH2)3COOH)…

A:

Q: The leaves of the rhubarb plant contain high concentrations of diprotic oxalic acid (HOOCCOOH) and…

A:

Q: 6.5 g of sodium acetate was dissolved in 100 mL of water to give a final volume of 106 mL. If the Ka…

A: Sodium acetate dissociates in water into sodium and acetate ions. Sodium ions react very little with…

Q: A general chemistry student measured the pH of a 0.12 M aqueous solution of an unknown weak acid HA…

A: The question is based on the concept of equilibrium. we have to calculate PKa of a weak acid whose…

Q: An analytical chemist is titrating 130.6 ml. of a 0.6000 M solution of piperidine (C,HNH) with a…

A: Given, Volume of piperidine (C5H10NH) = 130.6 mL Concentration of piperidine (C5H10NH) = 0.6000 M…

Q: Acid rain is due to the dissolution of sulfur oxide (SO3) present in contaminated areas in the…

A: The reactions taking place are-

Q: Find the pH of a solution produced by the reaction of 250 mL 0.1 M NaOH and 150 mL 0.03 M acetic…

A: Gvien, 250 mL 0.1 M NaOH and 150 mL 0.03 M acetic CH3COOH

Q: What is the pH of a solution

A:

Q: What is the pH of a solution prepared by mixing 150 mL of 0.10 M HCl with 300 mL of 0.20 M sodium…

A: Given, 150mL of 0.1M HCl 300mL of 0.1 NaOAc

Q: If equal volumes of 0.29 M acetic acid and 0.12 M sodium hydroxide are mixed, what is the pH of the…

A: Henderson–Hasselbalch equation, pH = pKa + log [salt]/[acid]

Q: In the laboratory, a general chemistry student measured the pH of a 0.353 M aqueous solution of…

A: In order to find the Kb of the given compound we first write down the given data: pH= 12.146.…

Q: In the laboratory, a general chemistry student measured the pH of a 0.590 M aqueous solution of…

A:

Q: Calculate the pH of a 0.594 M aqueous solution of pyridinium chloride, C5H5NHCl. The Kb of pyridine…

A:

Q: what is the pH of a solution prepared by adding 63.6 mL of 0.100 M sodium hydroxide to 69.37 mL of…

A: Given that : The volume of sodium hydroxide = 63.6 mL The molarity of sodium hydroxide = 0.100 M The…

Q: For a solution that is 0.20 M in oxalic acid (H2C2O4), write the reactions for the ionization of…

A: In this question, we will determine the Concentration of Conjugated base and pH of the Solution.…

Q: What will be the pH of a solution when 200ml of 0.1M HEPES in the basic form and 100mL of 0.1 M…

A: Given: Concentration of Base = 0.1 M volume = 200 mL = 0.2 L concentration of acid = 0.1 M volume =…

Q: How many milliliters of 0.800 M KOH should be added to 3.38 g of oxalic acid (C2O4H2) to give a pH…

A: Reaction: H2Ox + OH- —->HOx- + H2OHOx- + OH- ——->Ox- + H2O Equilibrium: H2Ox ——>HOx- + H…

Q: For a weak acid, when does the pH equal the pKa?

A: Answer: For this we need to know Henderson-Hasselbalch equation . Explanation:…

Q: Predict the pH of a solution that is madeby mixing 25.0 ml of 0.100 M NH4OH (Kb= 1.80 x 10^-5) with…

A:

Q: The acid constants of the polyprotic acid НЗASO4 are К_a1 %3D 5х10 ^-3, К_а2 - 8х10^-8, К_а3 %3D…

A:

Q: The leaves of the rhubarb plant contain high concentrations of diprotic oxalic acid (HOOCCOOH) and…

A: Given the values of pka1 and pka2, so from that ka values of both can be found out.

Q: 9 (a) Define and write the expression of Kw for the dissociation of water (H2O). Kw is the of Kw (b)…

A: On autoionization of water, H+ and OH- ions are produced.

Q: Which solution below would have the greatest buffering capacity? The solution was prepared from a…

A: To find which buffer have greatest buffering capacity first we have to know about the Buffer…

Q: Calculate the pH of a 1.00L solution containing 0.52M sodium acetate and 0.48M acetic acid after the…

A: Given that, concentration of CH3COONa in 1 L solution = 0.52 M = 0.52 mole L-1 and concentration of…

Q: Calculate the pH and pOH of the mixture of 10.0 mL 0.0345 M HCl and 10.0 mL 0.000890 M Sr(OH)2.

A:

Q: Calculate the pH of a 18 M NaCH3COO(aq) (sodium acetate salt of acetic acid)  at 25oC. The acid…

A: The given data contains, Molarity of NaCH3COO =18 MKa= 1.8×10–5

Q: If vinegar contains 4% (w/v) of acetic acid (Ka= 1.8x10-5), calculate the pH of solution made by…

A: Q.1:  Before dilution:  concentration, C1 = 4%(w/v)  Volume, V1 = 50 mL  After dilution:…

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

A:

Q: The Ka of hypobromous acid, HOBr, is 2.6 x 10-9. Calculate the pH of a solu tion which is composed…

A: PH of acidic buffer can be calculated as follows

Q: 2.44 moles of HNO3 is added to water and the final volume is 330mL. The pH of this solution was…

A: Nitric acid is strong acid. Given , pH = 1.47

Q: 10. Nitrous acid (HNO2) is a weak acid with a Ka = 4.0 x 104. If 112 mL of a 0.100 M KOH solution…

A: Answer: In this question we have to find out the pH of a buffer solution made of nitrous acid and…

Q: In the laboratory, a general chemistry student measured the pH of a 0.522 M aqueous solution of…

A: Ka(experiment) = 5.9 × 10-5

Q: When 16.24 mL of 0.064 3 M KOH were added to 25.00 mL of 0.093 8 M weak acid, HA, the observed pH…

A:

Q: n the laboratory, a general chemistry student measured the pH of a 0.506 M aqueous solution of…

A: Initial Concentration of Benzoic Acid = 0.506 M pH of Benzoic Acid Solution = 2.233 Ka of Benzoic…

Q: 25.  A buffer is prepared using acetic acid, CH3COOH, (a weak acid, pKa = 4.75) and sodium acetate,…

A: Buffer solution is the solution which has tendency to maintain constant pH upon addition of small…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.