Question

A GOLD SAMPLE CONTAINS 12.70% OF COPPER.WHAT IS THE RATIO OF NO.OF ATOMS OF GOLD AND COPPER IN 1 G OF GOLD SAMPLE?

#chemistry

Answer 1

The ratio of gold in sample will be 87.3%

Therefore using avogardos no solveto find no of atoms

Answer 2

Its 12.7: 87.3

Becaz the Avogadro no get canceled..

Hope u got it