The mass percent, molality, molarity and mole fraction of Cesium chloride has to be calculated. Concept introduction: The mass percent can be defined as the mass of solute in grams to the total mass of solute in grams is multiply in 100 . It can be given by the equation, Mass %= Mass of solue(in g) Total mass (in g) ×100 Molality of a solution also called as molal concentration can be defined as the mass of solute in grams to the mass of the solvent in kilograms. It can be given by the equation, Molality(mol kg -1 )= Mass of solue(in g) Mass of solvent(in kg) Molarity can be defined as the moles of solute (in grams) to the volume of the solution (in litres). The molarity of a solution can be given by the formula, Molarity(M)= Moles of solute(in g) Volume of solution(in L) Mole fraction of a compound can be defined as the number of moles of a substance to the total number of moles present in them. The mole fraction can be calculated by, Mole fraction of compound= Number of moles(in mol) Total number of moles(in mol)
The mass percent, molality, molarity and mole fraction of Cesium chloride has to be calculated. Concept introduction: The mass percent can be defined as the mass of solute in grams to the total mass of solute in grams is multiply in 100 . It can be given by the equation, Mass %= Mass of solue(in g) Total mass (in g) ×100 Molality of a solution also called as molal concentration can be defined as the mass of solute in grams to the mass of the solvent in kilograms. It can be given by the equation, Molality(mol kg -1 )= Mass of solue(in g) Mass of solvent(in kg) Molarity can be defined as the moles of solute (in grams) to the volume of the solution (in litres). The molarity of a solution can be given by the formula, Molarity(M)= Moles of solute(in g) Volume of solution(in L) Mole fraction of a compound can be defined as the number of moles of a substance to the total number of moles present in them. The mole fraction can be calculated by, Mole fraction of compound= Number of moles(in mol) Total number of moles(in mol)
Solution Summary: The author explains how the mass percent, molality, and molarity of Cesium chloride have to be calculated.
Interpretation: The mass percent, molality, molarity and mole fraction of Cesium chloride has to be calculated.
Concept introduction:
The mass percent can be defined as the mass of solute in grams to the total mass of solute in grams is multiply in
100. It can be given by the equation,
Mass %=Massofsolue(ing)Totalmass(in g)×100
Molality of a solution also called as molal concentration can be defined as the mass of solute in grams to the mass of the solvent in kilograms. It can be given by the equation,
Molarity can be defined as the moles of solute (in grams) to the volume of the solution (in litres). The molarity of a solution can be given by the formula,
Mole fraction of a compound can be defined as the number of moles of a substance to the total number of moles present in them. The mole fraction can be calculated by,
The Concept of Aromaticity
21.15 State the number of 2p orbital electrons in each molecule or ion.
(a)
(b)
(e)
(f)
(c)
(d)
(h)
(i)
DA
(k)
21.16 Which of the molecules and ions given in Problem 21.15 are aromatic according to the
Hückel criteria? Which, if planar, would be antiaromatic?
21.17 Which of the following structures are considered aromatic according to the Hückel
criteria?
---0-0
(a)
(b)
(c)
(d)
(e)
(h)
H
-H
.8.0-
21.18 Which of the molecules and ions from Problem 21.17 have electrons donated by a
heteroatom?
1. Show the steps necessary to make 2-methyl-4-nonene using a
Wittig reaction. Start with triphenylphosphine and an alkyl
halide. After that you may use any other organic or inorganic
reagents.
2. Write in the product of this reaction:
CH3
CH₂
(C6H5)₂CuLi
H₂O+
3. Name this compound properly, including stereochemistry.
H₂C
H3C
CH3
OH
4. Show the step(s) necessary to transform the compound on the
left into the acid on the right.
Bri
CH2
5. Write in the product of this
LiAlH4
Br
H₂C
OH