The concentration of total phosphorous (HPO42– and H2PO4–) found in a blood sample is determined by spectrophotometry to be 0.00335 M. If the pH of the blood sample is 7.44 and the pKa is 7.21, what is the concentration of H2PO4– in the blood?

The concentration of total phosphorous (HPO42– and H2PO4–) found in a blood sample is determined by spectrophotometry to be 0.00335 M. If the pH of the blood sample is 7.44 and the pKa is 7.21, what is the concentration of H2PO4– in the blood?

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter15: Equilibria Of Other Reaction Classes

Section: Chapter Questions

Problem 107E: What mass of NaCN must be added to 1 L of 0.010 M Mg(NO3)2 in order to produce the first trace of...

See similar textbooks

Related questions

Q: Please correct answer and don't use hand rating

A: For Trichloroethylene (TCE):Concentration: 1.7 x 10^-7 moles/LMW = 131.4 g/moTo convert to ppb: (1.7…

Q: Draw The Product of this reaction. Ignore the Byproducts and CO2

Q: Please correct answer and don't use hand raiting

A: The balanced equation shows that two NO molecules react with one O2 molecule to produce two NO2…

Q: Interactive 3D display mode OH H₂ CH H₂C H.C CH₂ Draw the molecule on the canvas by choosing buttons…

A: To draw this molecule with all hydrogen atoms visible:Choose "Single Bond" as your active…

Q: Use the curved arrows to determine the products of each reaction and Indicate formal charges that…

Q: Write the stepwise dissociation of nicotine in water. Calculate the Kb value for each step. Encircle…

A: Stepwise dissociation First dissociation Second dissociation Calculate Kb valuepKb = -log(Kb) For,…

Q: 8.43 The sigma bonding in the linear molecule XeF2 may be described as a three-center, four-electron…

A: Step-by-Step Molecular Orbital Description:Step 1. Atomic Orbitals (AOs):The relevant orbitals for…

Q: Please correct answer and don't use hand raiting

A: Step 1:Given data,A(g) + B(g) <=> 2CEquilibrium constant, Kc = 0.505Moles before addition of…

Q: Please correct answer and don't use hand raiting

Q: In experiment 2, you will place an AlkaSeltzer tablet in each of the HCI solutions you prepared. The…

Q: Using the drawing space below, draw the mirror image of the following molecule: Br CI OH Once you…

A: Approach to solving the question: To draw the mirror image of the given molecule,Place the given…

Q: Predict the major product resulting from each of the following competition experiments:

A: The primary alkyl halide will undergo an SN2 reaction with the nucleophile in both cases.The…

Q: Give the geometry, number of d e-, draw the CF splitting diagram, number of unpaired e-, and…

A: Step 1: Geometry Co : 3d74s2Co3+ : 3d6Number of d-electrons = 6 Step 2: CF splitting diagram Step…

Q: Please correct answer and don't use hand rating

A: The following settings are required to get the highest degredation efficiency :Factors settings…

Q: Question and diagrams are attached. Thank you!

A: Step 1:Infrared spectroscopy (IR) is used to identify the functional groups present in the organic…

Q: Balance this chemical equation.

A: Step 1 Normal equation is N2H4 =NH3 + N2Step 2By balancing 3N2H4=4NH3+N2

Q: Please correct answer and don't use hand rating

A: Please rate my answer..

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1:To find out theoretical yield of O2 we have to know about the molar ratio of O2 and NO2 in…

Q: The heat of decomposition of 0.25 grams 2- propanol at 298.15 K, determined in a bomb calorimeter,…

A: First, we need to calculate the molar heat of combustion. The heat of combustion is the heat…

Q: Use the following data and the gas chromatogram from a 20m x 0.30mm x 0.50μm capillary column to…

A: Given Data:tm = 1.00 min (unretained peak time)t1 = 3.52 min (retention time of compound 1)t2 = 8.15…

Q: Please correct answer and don't use hand rating

A: Step 1:Given data,Balanced reaction,C6H12O6 + 6O2 —> 6CO2 + 6H2OMass of C6H12O6, w1 = 15.0 gMolar…

Q: Part A List the following compounds from highest boiling to lowest boiling: он OH HO он л ОН NH2 Он…

A: When considering the boiling point of different types of organic compounds, first consider the type…

Q: Show work with rules how to find common name of the given compound. Don't give Ai generated…

A: Step 1: EtherEther is a class of organic compounds characterized by an oxygen atom connected to two…

Q: What is the major product for the reaction shown below? Select all that apply. Br ? EtOH

A: SN1 (unimolecular nucleophilic substitution reaction): The given reactant is secondary alkyl…

Q: Plan an asymmetric synthesis of the molecule bicyclic alcohol 3, using a chiral auxiliary strategy.…

A: Stereoselectivity:The stereoselectivity of the Wittig reaction is determined by the stereochemistry…

Q: Experiment for Kinetics – The Iodine Clock Reaction Results A1+B in 10 degree: Trial 1: it took…

A: First, we need to calculate the average time it took for the reaction to occur at each temperature.…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting structures,…

Q: Show work. don't give Ai generated solution

A: Step 1: If the volume of the equilibrium system for the reaction 2SO3 (g) --><__ 2SO2(g)…

Q: Show work...don't give Ai generated solution

A: Given: Al(s)+NO2(aq)−→AlO2(aq)−+NH3(aq)Step 1: Write the…

Q: Please complete the following reaction. Hint: The product is not a carboxylic acid, but it can…

A: Step 1: Analysis of the Starting MaterialThe starting compound is a β-diketone (indicated by the two…

Q: Please help

A: Step 1:Stereoisomers are molecules with the same atomic sequence and chemical formula but different…

Q: Please correct answer and don't use hand rating

Q: In the drawing areas below, draw the two most expected stable conformations of the following…

A: Approach to solving the question:To draw the most expected chair conformations of the given…

Q: Don't use AI.

A: The solution to the above question is as follows:

Q: (c) Consider the following electrochemical cell: Zn (s) | ZnCl2 | Hg2Cl2 (s) Hg(l) for which the…

A: (i) Determine ΔG, ΔG°, and the equilibrium constant K for the cell reaction.Step 1: Calculate…

Q: Question 3

A: First, we need to determine how much the concentration of A has changed. This can be done by…

Q: 1. Calculation for conversion of Maleic to Fumaric acid i Mass of Maleic acid Molar mass of Maleic…

A: isomerization reaction: cis isomer (maleic acid) converts into trans isomer (fumaric acid).…

Q: Question 26

A: The activation energy (Ea) of a reaction is the minimum amount of energy required to initiate the…

Q: 1. a. Calculate the solubility (S) of lead (II) carbonate, PbCO3 (Ksp = 1.5 x 10-¹³) in water,…

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: Help with IR spectrum please

A: Two peak at 3437.9 & 3332.5 cm-1 correspond correspond to N-H stretchingPeak at 3193.1 cm-1 may…

Q: where are the chiral centers on a ritonavir molecule

A: Approach to solving the question:A chiral center is a carbon center that has four different atoms…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Approach to solving the question: Moles of Weak Acid You need to determine the moles of weak acid…

Q: Please correct answer and don't use hand rating

A: The correct answer is: AThe molecule is a positive species. N can form three bonds and in the…

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: Step 1: Step 2: Step 3: Step 4:

Q: Please correct answer and don't use hand rating

A: Given that 2.00 moles of a monatomic ideal gas undergo a transformation from state A to state D, via…

Q: Hydrogen peroxide (H2O2) decomposes in the presence of a catalyst to form water and oxygen. The…

Q: Please correct answer and don't use hand rating

A: Since the energy of the color of light emitted by various salts can be found in the formula: E = hf…

Q: Choose all eclipsed conformers that result from rotation about the C-2 - C-3 bond of pentane. Check…

A: Approach to solving the question:Here, we just need to find out the conformers with 0° dihedral…

Q: Please help

Q: Show work with explanation needed. Don't give Ai generated solution

A: Step 1: Lewis structureChemical structure represents the valence electrons present in each atom of…

Question

The concentration of total phosphorous (HPO₄²^– and H₂PO₄^–) found in a blood sample is determined by spectrophotometry to be 0.00335 M. If the pH of the blood sample is 7.44 and the pKa is 7.21, what is the concentration of H₂PO₄^– in the blood?

AI-Generated Solution

AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.

Unlock instant AI solutions

Tap the button
to generate a solution

Click the button to generate
a solution

SEE SOLUTION

Similar questions

What is the equilibrium constant value for NaC2H3O2 and how do you find its Kb?
To rule out metabolic acidosis in a patient's blood sample, the total carbon dioxide content should be measured (HCO3-+CO2), this was determined by acidifying the sample and measuring the volume of CO2 released. The concentration of H2CO3 was 28.5 mmol/L, the pH of the blood at 37 ℃ is 7.48 with a pka of 6.10, what is the concentration of HCO3- in mmol/L in the blood? a) 27.36b) 22.77c) 28.50d) 29.60
A 1.00 L phosphate buffer solution that contains 0.1270 moles of dihydrogen phosphate (H2PO4) and 0.0800 moles of hydrogen phosphate (HPO,2-) was prepared. The pKa of dihydrogen phosphate is 7.20 at 25 °C. Calculate the pH of the buffer at this temperature.
Consider a biochemical reaction that is taking place in a 0.1 M buffer. The initial pH is 7.4, and the pKa of the buffer is 7.2. If, in a final reaction volume of 1.0 mL, 10 micromol of protons are generated, what would be the final pH of the solution?
The pKa of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly half of the acid is neutralized?
We dissolve 2.77 g of an unknown acid, HA, in enough water to produce 25.0 mL of solution. The pH of this solution of HA(aq) is 1.33. We titrate this solution with a 0.250 M solution of NaOH. It takes 41.8 mL of the NaOH solution to reach the equivalence point. (a) What is the molar mass of HA? (b) What is the pKa value of HA(aq)? (c) What is the pH at the equivalence point? (d) What is the pH one third along the titration when you still have twice as much HA(aq) as A-(aq)?
The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO_3,which is equivalent to milligrams of CaCO_3 per liter of water. What is the molar concentration of Ca2+ ions in a water sample with a hardness count of 175 mgCaCO_3L ?
(a) Given the Ksp of calcium phosphate, Ca3(PO4)2 is 1.3 × 1032. Calculate concentrations of Ca2+ and PO43− respectively. (b) If a hard water contains 75 mg/L of Ca2+, at what concentration of PO43- would a precipitate of Ca3(PO4)2 begin to appear?
The pKa of a weak acid was determined by measuring the pH of a solution containing the weak acid at 0.30 M and its conjugate base at 0.30 M. The measured pH was 8.0. What is the pKa of the weak acid?
Given the pKa of hypochlorous acid, HOCl, is 7.54. What is the pH of a solution which consists of 0.20 M HOCl and 0.70 M OCl-?
Calculate the pH of a 2.00 M Na2CO3 given that the pKa’s of the first and second dissociation of H2CO3 (aq) acid are 6.37 and 10.32, respectively.
A 5.00 mL aqueous sample containing hydrogen peroxide was diluted to 25 mL and analyzed by titration with permanganate: 2MnO4- + 5H2O2 + 6H+ → 5O2 + 2Mn2+ + 8H2O The sample required 42.8 mL of 0.0175 M permanganate to reach the end point. What is the concentration of hydrogen peroxide in the original sample?