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What is the mass in grams of 4.50*10^16 atoms potassium (K)?
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What is the mass in grams of 4.50*10^16 atoms potassium (K)?

User Nochem
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(4.50x10^16)/(6.02x10^24) = 7.5mols
7.5mols x 39.1= 293.25grams
User Pessolato
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