What is the mass of 3.0 x 1023 atoms of neon
1 mole =6.0 10^23 atoms3.010^23 atoms = 0.5 molesthe molar mass of neon is 20.18g/mole0.5 moles = 10.09 grams
6.022×10^23 atom=20 gm3×1023 atom= 20×3×1023/6.022×10^23ans =1.019×10^-19
