Question

how to calculate mass of 6 atoms of He

Answer 1

I think so 24is the mass of He six atoms.As we know that the mass of He is 4g.so the mass of six atoms is multiply with six

Answer 2

mass of 6.022*10²³ atoms=4 g

mass of 1 atom =4/6.022*10^²³

mass of 6 atom=4/6.022*10^²³*6 is the answer