Explain why is FAAS a good method of quantifying Ca in milk?

Q: Explain how you would use GC to quantitate the purity of a sample.

A: Gas chromatography (GC) can be defined as the chromatography in analytical chemistry which is used…

Q: a 50.00-mL sample containging an analyte gives a signal of 11.5(arbitrary units).  A second 50-mL…

A: Solution The mechanism of analyte concentration in field-enhanced sample injection (FESI) is…

Q: 2. 2. 2. C- 5 4. Br 3 Br OCHS CS Scanned with CamScanner

A: The naming of organic compounds based on IUPAC nomenclature system. There are different type of…

Q: Write Ksp for Ca3(PO4)2 salt.. O a: [Ca2+13 [POa)]? O b. [Ca?+] [PO,3-1² O c. [Ca]3 [PO3-1? O d.…

A: Ksp is the solubility product constant. It tells the how much the compound is soluble in aqueous…

Q: Calculate the standard deviation for an element whose % in a sample were found to be 20.8, 21.6,…

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Q: B AICI, _ 1. (CH,CO),0 2. LIAIDĄ Isotopic sequences 1. HNO3, H₂SO 1. CH₂¹3³COCI 2. Fe, HCI 3. NaOH…

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Q: A. Radiometric datin B. If daughter atoms C If parent atoms h

A: We know that radioactive dating is possible when daughter and parent minerals are not disturbed as…

Q: A serum containing sodium Na + gives a signal of 3.09 mV in an atomic emission analysis. Then 4.00…

A: Given that : Initial signal of Na+ = 3.09 mV The volume of added NaCl = 4.00 mL Molarity of the NaCl…

Q: Calculate the Ksp for Ca(OH)2 for each trial

A: The dissociation of calcium hydroxide is as follows. CaOH2s⇔Ca2+aq+2OH-aq That means concentration…

Q: Question 6 A five-fold dilution was performed on a standard solution. The diluted solution will have…

A: Answer  A five fold was performed on a standard solution.  The…

Q: 2) Complete the mssing n rlearsumbolinthccacati Delow. 26tct ->26te

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Q: What are the most common causes for ALT and AST elevations?

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Q: Copper was determined in a river water sample by atomic absorption spectrometry and the method of…

A: Given,The absorbance of sample, A1 = 0.500The absorbance of sample + blank = 1.020The concentration…

Q: 4. Zne) Niraa) Zna) Znr?aa) + Nie) +

A: EZn/Zn2+o = 0.76 V  ENi2+/Nio = -0.257 V   Ecello =   EZn/Zn2+o + ENi2+/Nio = 0.76 + (-0.257) =…

Q: Question 29 Which of the following is not a step in Atomic Absorption Spectroscopy (AAS)? O A. Atoms…

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Q: The role of calcium ions (Ca) in neural signal transmission is to cause the relegs

A: In this question we have to choose correct option for the role of calcium ion in neural signal…

Q: Question 5 A five-fold dilution was performed on a standard solution. The diluted solution will have…

A: Given that , A five fold dilution was performed on a standard solution.

Q: mcdT dq T AS = = mcln T/T

A: Entropy change is a definite quantity independent of the path followed for the change and depends…

Q: Describe one alternative column other than a C18 for caffeine detection in terms of stationary phase

A: C18 columns are present in high performance liquid chromatography (HPLC) that are utilized as a…

Q: is beta hCG testing a analytic technique? why or why not?

A: Analytical techniques are those techniques that aid in determination of a compound in a sample.…

Q: ind out the AA content in “mg/L" after 340 days of storage at 10°C.

A: We have to find AA content

Q: 50.00-mL sample containging an analyte gives a signal of 11.5(arbitrary units).  A second 50-mL…

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Q: on processed meats. a. True b. False 2 Every batch of natural Color additives has to be certified:…

A: you have posted multipart of question as per the guidelines i have solved first three subparts…

Q: What are the most common causes for ALT and AST elevations?

A: Chronic alcoholism, drugs, non-alcoholic steatohepatitis (NASH) and chronic hepatitis are the most…

Q: What is the Ksp of the salt at 25 °C? AB3(s) A³+ (aq) + 3 B¯(aq) Ksp =

A: Moles of salt = 0.0290 mol Volume = 1 L Molarity of salt = 0.0290 M

Q: Mw = 102.1 100 MS-NU-0527 80 40 20 10 20 30 40 50 60 70 80 90 100 Relative Intensity

A: Mass spectrometry is used to determine the unknown compounds from their m/z ratios.

Q: what are advangtage and disadvantage of using an Atomic Force Microscopy and explain each

A: Atomic force microscopy is a technique by which we study the different type of surfaces like…

Q: Explain the observed properties of Corundum (a-Alumina)

A: Corundum is a crystalline  form of aluminum oxide  (Al2O3) typically containing traces of iron,…

Q: Explain why the concentration of zinc cannot be determined directly using a spectrophotometer.

A: The atomic no of zimnc is 30. It contain many free electrons

Q: TM Br a b -11 CI SM

A: Retrosynthesis is a technique in which a probable route for the synthesis of an organic molecule.…

Q: What is the %composition of the Vitamin A peak in the sample?

A: To determine the % composition of the Vitamin A peak in the sample.

Q: MASS SPECTRUM 100 80 60 40 20 0.0+ 0.0 20 40 60 80 100 m/z Rel. Intensity

A: The compound name is 2-pentanone. m/z = 43 corresponds to CH3CO+. Molecular ion at 86. M+1 peak at…

Q: Given the Ksp for Ca(103)2 = 3.2 x 10-10, what is the Ca2+ concentration in a solution prepared by…

A: The concentration of [Ca2+], can be determined as follows. The number of millimoles of Ca2+  = 50 mL…

Q: What is the correlation between the level of the spectrophotometer's absor- bance readings and the…

A: Given table: pH of buffer solution  Absorbance 3 1.270 5 0.410 7 0.275 9 0.240 11 1.170

Q: Most iron (III) compounds are very weakly colored, and do not lend themselves well to visible…

A: In spectrometric analysis, we measure the intensity of color of the unknown compound with the help…

Q: a) Briefly describe the meaning of chromophores. b) (i) Depict the graph using Microsoft excel (ii)…

A: (a) Chromophore is a group which exhibit absorption of electromagnetic radiation in UV or Visible…

Q: Why to use acid or base for the development of fluorescent carbon dots?

A: Carbon-Dots are a kind of zero-dimensional nanomaterials. They are environment friendly and possess…

Q: Write Ksp for Ca3 (PO4)2 salt ... a. [Ca2+]3 [PO4]² b. [Ca2+] [PO43-1² c. [Ca]³ [PO43-]? d. [Ca2+]²…

A: The compound given is Ca3(PO4)2.

Q: Example: Brz リ PAへ Ccly Phへ PL H20 Br リ8(Exces) シ Ph PhCECH り oHea」

A: Br2 attached with double bond form cyclobromininum ion.

Q: Complete these Heck reactions

A: The Heck reaction is the chemical reaction of an unsaturated halide with an alkene in the presence…

Q: What weight Fe2O3 (FW = 159.69) can be obtained from 2.63 g of Fe3O4 (FW = 231.53) by gravimetric…

A: Gravimetric method: In this method,  there will accurate measurement of the amount of the product…

Q: What is the percent strength of 15 g Tinactin containing 0.15 g of tolnaftate power

A: Given : Mass of  Tinactin = 15g Mass of  tolnaftate power = 0.15g

Q: 34 CallBr Ial Lollullvi 35 NO NO Bir Br J 18 an basd n the enerus

A: Electrophilic addition is characteristic reaction of Alkenes  while aromatic compounds mainly shows…

Q: 5) Explain eiectron ionization (EI) and fast atom bombardment (FAB) techniques in rnass…

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Q: 1) a)What is affinity chromatography and what is it used for? b) A drug called Bamlanivimab is…

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Q: A 0.2650 g rock sample of unknowm concentration was dissolved in HCI and diluted to 100.0 mL.…

A: The concentration of added standard Ca is calculated: [Ca] = C1 * V1 / V2 = 2.08 ug / mL * 5 mL /…

Q: topes listed, pr 23 Na or 25Na b. 11 48 Ca or 48Sc 20 с. a. or 11 92TC 20Ne or 10Ne 10 40 Ca 45 ca…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Glucose levels are routinely monitored in patients suffering from diabetes. The glucose…

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Q: Determination of Ksp of CaCO3 based on the measured pH and the following equations: CaCO3 (s) Ca 2+…

A: Here in this question some informations are given (Concentration value of Ca2+and PH value of the…