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2. How many grams are in 2.05 x 1030 atoms of Lithium (Li)?
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2. How many grams are in 2.05 x 1030 atoms of Lithium (Li)?

User SirFunkenstine
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atoms = 3.9 x 10. 24 atoms. 1 mole. 2. How many moles of argon are in a sample ... 6.02 x 10. 23 atoms. 3. How many moles are in 2.5g of lithium? 2.5 grams Li .
User Lorelei
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