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Li: atomic mass 6.941

F: atomic mass 18.998

Lithium fluoride is made up of these two elements. Its balanced formula is LiF (Li+1F-1). Adding both its atomic masses equals 25.939. Therefore one mole of LiF is equal to 25.939 grams. So, 1.5 moles of LiF is equal to 38.90 grams.

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∙ 13y ago
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∙ 12y ago

39.5 grams Li (1 mole Li/6.941 grams)(6.022 X 10^23/1 mole Li)

= 3.43 X 10^24 atoms of lithium

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∙ 15y ago

1.5 moles

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Q: Why is 1.5 moles equivalent to 39 grams of LiF?
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