Question

Define the following terms :- [ a ] gram molar volume [ b ] relative atomic mass [ c ] Avogadro number [ d ] relative molecular mass [ e ] gram molar mass

Answer 1

1. Gram molar volume: The volume occupied by 1 mole of a substance is called gram molar volume. the gram molar volume of perfect gas is 22.4L at STP.
2. Relative atomic mass: The ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12.
3. Avogadro number: The Avogadro constant is the proportionality factor that relates the number of constituent particles in a sample with the amount of substance in that sample. Its SI unit is the reciprocal mole, and it is defined as NA = 6.02214076×10²³ mol⁻¹. It is named after the Italian scientist Amedeo Avogadro.
4. Relative molecular mass: The ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12.
5. Gram molar mass: It is the mass of asample of that compound divided by theamount of substance in that sample,measured in moles.

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Answer 2

Answer:

Gram molar volume: The volume occupied by 1 mole of a substance is called gram molar volume. the gram molar volume of perfect gas is 22.4L at STP.

Relative molecular mass: The ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12.

Gram molar mass: It is the mass of asample of that compound divided by theamount of substance in that sample,measured in moles.

Relative atomic mass: The ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12.

Avogadro number: The Avogadro constant is the proportionality factor that relates the number of constituent particles in a sample with the amount of substance in that sample. Its SI unit is the reciprocal mole, and it is defined as NA = 6.02214076×10²³ mol⁻¹. It is named after the Italian scientist Amedeo Avogadro.