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chemistry > c2 > Flashcards

c2 Flashcards

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1
Q

what is meant by a pure substance?

A

a single element or compound not mixed with another substance

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2
Q

what is the difference between pure and impure substances regarding melting point data?

A
  • pure substances melt and boil at specific temperatures
  • impure substances melt and boil over a range of temperatures
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3
Q

how would you calculate relative formula mass?

A

sum of the relative formula masses in the formula

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chemistry (2 decks)

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