C7 Flashcards by Asta Huang | Brainscape

Q

describe relative atomic mass

A

avg mass of isotopes of an element
compared to 1/12th mass of atom of C12

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Q

define relative molecular mass

A

sum of relative atomic masses

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Q

what is a mole

A

unit of amount of substance

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Q

how many particles in 1 mole

A

6.02 * 10^23

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Q

formula for moles

A

mass = mr moles

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Q

volume of one mole of gas

A

24dm^3

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