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Answer to Question #134411 in General Chemistry for Brad

Question #134411
How many grams are there in 6.99x1020 atoms of tin?
1
Expert's answer
2020-09-23T04:43:46-0400

Divide number of atoms by Avogadro number and multiply by molar weight of tin 118.7 g/mole:

6.99*10^20 / 6.02*10^23 * 118.7 = 0.138 gram


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