19.7 kg of gold was recovered from a smuggler. How many atoms of gold were recovered?

98.5 kg of gold was recovered from a smuggler. The atoms of gold recovered are:

78.8 kg of gold was recovered from a smuggler. The atoms of gold recovered are:

39.4 kg of gold was recovered from a smuggler. The number of atoms of gold recovered are :

39.4 kg of gold was recovered from a smuggler. The number of atoms of gold recovered are :

A gold sample contains 90% of gold and the rest copper. How many atoms of gold are present in one gram of this sample of gold?

A gold sample contains 90% of gold and the rest copper. How many atoms of gold are present in one gram of this sample of gold?

From gold amalgam , gold may be recovered by :