The mole fraction of a solute in 1 m aqueous solution is _____.
0.0354
0.0177
1.770
An acetone solution in ethanol shows a positive deviation from Raoult’s law.
True
False
The units of ________ concentration is temperature dependent.
Mole fraction
Molality
Molarity
______ was used to measure the amount of substance.
Mole
Weight
Mass
If one mole of ammonia contains a “y” number of particles, then 1 mole of glucose contains 0.5y particles.
Correct
Incorrect
When we increase temperature, the Molarity will get ________.
Constant
Decreased
Increased
Find the number of moles in 52 g of HE.
13
26
52
The molar mass of One mole of Silver is ______.
100g
108g
231g
The number of atoms constituting a molecule is known as _______.
Atomicity
Valency
Normality
What indicates the number of moles of solute per liter of a solution?
Normality
Molarity
Capacity
The molar mass of oxygen is ______ grams.
10
12
16
_______ is the minor component in a solution, that dissolves in the solvent.
Solute
Substance
Mole
The mass of one mole of a substance is called _______ and its expressed in grams.
Amedeo Avogadro
Atomic mass
Avogadro number
_______ is a fundamental unit of measure of the amount of a substance.
Mole
Mass
Atom
_______ is the combining capacity of an atom.
Mass
Molecule
Valency
_______ is usually measured in grams or kilograms.
Molecule
Mass
Ratio
The word mole is used to describe _______ number.
Boyle's
Newton's
Avogadro's
One mole of an element has a mass in grams equal to the atomic weight of that element.
True
False
The molecular mass of Ozone is ______.
32u
48u
16u
Ozone is an allotrope of Oxygen.
True
False
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