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Chemistry - Moles Flashcards Part 2

Biology7 CardsCreated 3 months ago

It’s a key concept in chemistry for counting particles at the atomic scale. It is named after Amedeo Avogadro, an Italian scientist. Avogadro’s number is 6 × 10²³, which is the number of particles (atoms, molecules, or ions) in one mole of a substance.

What is a mol

a mole is a amount of a substance that contains 6x10 23 particles

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Key Terms

Term
Definition

What is a mol

a mole is a amount of a substance that contains 6x10 23 particles

what is avogadro’s constant

6 x 10 23

define molar mass

mass of one mole of a substance expressrs in grams

what is meant by molar volume

the amount of space that one mole of a gas takes up

what is molar volume at standard temperture and pressure

22.4L

What is the molar volume at room temperture

24L

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TermDefinition

What is a mol

a mole is a amount of a substance that contains 6x10 23 particles

what is avogadro’s constant

6 x 10 23

define molar mass

mass of one mole of a substance expressrs in grams

what is meant by molar volume

the amount of space that one mole of a gas takes up

what is molar volume at standard temperture and pressure

22.4L

What is the molar volume at room temperture

24L

diatoic molecules have…

two atoms