The amount of calcium in the given sample of blood has to be calculated using the principles of titrimetry. Concept Introduction: Titration is a widely used method for the determination of unknown concentration of an analyte. In order to determine the unknown concentration, the analyte of known volume is titrated with the titrant of known volume and concentration. The unknown concentration of the analyte is found by the following equation. V 1 N 1 =V 2 N 2 Where, V 1 is the volume of the analyte N 1 is the unknown concentration of the analyte V 2 is the volume of the titrant N 2 is the concentration of the titrant This formula is applicable when one mole of analyte is reacting with one mole of the titrant. After calculating the unknown concentration of the analyte, its weight is gram is calculated. Mole is the amount of substance having Avogadro number of particles. The number of moles of a particular substance is calculated by multiplying the volume of the substance and its concentration.
The amount of calcium in the given sample of blood has to be calculated using the principles of titrimetry. Concept Introduction: Titration is a widely used method for the determination of unknown concentration of an analyte. In order to determine the unknown concentration, the analyte of known volume is titrated with the titrant of known volume and concentration. The unknown concentration of the analyte is found by the following equation. V 1 N 1 =V 2 N 2 Where, V 1 is the volume of the analyte N 1 is the unknown concentration of the analyte V 2 is the volume of the titrant N 2 is the concentration of the titrant This formula is applicable when one mole of analyte is reacting with one mole of the titrant. After calculating the unknown concentration of the analyte, its weight is gram is calculated. Mole is the amount of substance having Avogadro number of particles. The number of moles of a particular substance is calculated by multiplying the volume of the substance and its concentration.
Solution Summary: The author explains that titrimetry is a widely used method for the determination of unknown concentration of an analyte.
Definition Definition Number of atoms/molecules present in one mole of any substance. Avogadro's number is a constant. Its value is 6.02214076 × 10 23 per mole.
Chapter 18, Problem 18.74QP
Interpretation Introduction
Interpretation:
The amount of calcium in the given sample of blood has to be calculated using the principles of titrimetry.
Concept Introduction:
Titration is a widely used method for the determination of unknown concentration of an analyte. In order to determine the unknown concentration, the analyte of known volume is titrated with the titrant of known volume and concentration. The unknown concentration of the analyte is found by the following equation.
V1N1=V2N2
Where,
V1 is the volume of the analyte
N1 is the unknown concentration of the analyte
V2 is the volume of the titrant
N2 is the concentration of the titrant
This formula is applicable when one mole of analyte is reacting with one mole of the titrant.
After calculating the unknown concentration of the analyte, its weight is gram is calculated.
Mole is the amount of substance having Avogadro number of particles. The number of moles of a particular substance is calculated by multiplying the volume of the substance and its concentration.
Predict the major organic product(s) of the following reactions. Indicate which of the following mechanisms is in operation: SN1, SN2, E1, or E2.
(c)
(4pts)
Mechanism:
heat
(E1)
CH3OH
+
1.5pts each
_E1 _ (1pt)
Br
CH3OH
(d)
(4pts)
Mechanism:
SN1
(1pt)
(e)
(3pts)
1111 I
H
10
Ill!!
H
LDA
THF (solvent)
Mechanism: E2
(1pt)
NC
(f)
Bri!!!!!
CH3
NaCN
(3pts)
acetone
Mechanism: SN2
(1pt)
(SN1)
-OCH3
OCH3
1.5pts each
2pts for either product
1pt if incorrect
stereochemistry
H
Br
(g)
“,、
(3pts)
H
CH3OH
+21
Mechanism:
SN2
(1pt)
H
CH3
2pts
1pt if incorrect
stereochemistry
H
2pts
1pt if incorrect
stereochemistry
A mixture of butyl acrylate and 4'-chloropropiophenone has been taken for proton NMR analysis. Based on this proton NMR, determine the relative percentage of each compound in the mixture
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