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 2 years ago
CALCULATE mass of 2.2 x 10^20 Ag atom.
the answer is 0.0432 g but i keep getting 0.0394 g.
Somebody pls help explain this to me!
 2 years ago
CALCULATE mass of 2.2 x 10^20 Ag atom. the answer is 0.0432 g but i keep getting 0.0394 g. Somebody pls help explain this to me!

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Sheng
 2 years ago
Best ResponseYou've already chosen the best response.02.2x10^20/6.023x10^23 then multiply by mass of Ag

.Sam.
 2 years ago
Best ResponseYou've already chosen the best response.0using ratio method, \[2.2 \times 10^{20} \text{Ag atom} \times \frac{1~mol}{6.02 \times 10^{23}atom} \times \frac{107.9g}{1mol}=0.039g~Ag\] Your answer is correct
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