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ocr a level chemistry > FC4 Moles II > Flashcards

FC4 Moles II Flashcards

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AP® Chemistry flashcards Periodic Table flashcards
1
Q

Define molecular formula

A

Shows the number of atoms of each element in 1 molecule of the substance

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2
Q

Define empirical formula

A

Shows the simplest whole number ratio of atoms of each element present in a substance

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3
Q

What is the calculation for % by mass

A

Mass of element in the compound/ Total mass of the compound x 100

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ocr a level chemistry (17 decks)

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