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silver has density 10.5gcm-3 the number of silver atom on a surface of area 1/0.000000000010m2 can be expressed in scientific notation as y*10is to the power x the value ofx

silver has density 10.5gcm-3 the number of silver atom on a surface of area 1/0.000000000010m2 can be expressed in  scientific notation as y*10is to the power x the value ofx
 

Grade:11

1 Answers

Vikas TU
14149 Points
6 years ago
Mass of silver present on the surface area given as:
Mass = density x volume => 10.5*10^6*10^11 => 105*10^16 gms
moles of solver atoms => 105*10^16/108 => 0.9722*10^16
No. of atoms => moles x Na =>  0.9722*10^16*10^23*6 => 5.833*10^39 atoms. 

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