Ducking Moles Flashcards by Caleb Kim | Brainscape

Q

How to find relative formula mass (Mr)

A

Add together all the mass numbers in the compound

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Q

How to calculate percentage mass in a compound?

A

(Ar of element x number of element) / Mr

The multiply by 100

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Q

1 mole =

A

6.02x10^23 particles

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Q

How to find weight of a mole of a substance

A

Mr in grams

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