Question icon
Grade 11Inorganic Chemistry

the number of silver atoms present in 90% pure silver wire weighing 10g is ---And=5.0×10^22 explain plzzz?????

Profile image of Nitin Kumar
9 Years agoGrade 11
Answers icon

1 Answer

Profile image of Vikas TU
9 Years ago
90% of 10 gm is: 9 gm obvious.
Now moles of silver is: = > 9/108
No. of atoms = (1/12)*Na => 5 x 10^22 atoms.
Where Na is the Avagadro No.