[" No of gram atoms in "],[12.046times10^(23)" Na atoms "]

No of gram atoms in 12.044 xx 10^(23) Na atoms

Calculate the number of moles of a sample that contains 12.046 xx10^(23) atoms of iron ?

Calculate the number of moles in 12.044 xx 10^(23) helium atoms.

(i)Calculate the number of moles in 12.046xx10^23 atom of copper.

Calculate the number of moles in 12.044 xx 10^(23) atoms of phosphorus.

The weight of a gaseous mixture containing 12.044 xx 10^(23) atoms of He and 3.011 xx 10^(23) molecules of hydrogen is _____________g.