Question

How many atoms are there in 12g of Helium????????


PLS HELP ME FAST

Answer 1

3×6.022×10^23 atom =12 gram of helium

Answer 2

gram atomic mass of hilium is 4 grams

and it have 6.02 X 10²³ atoms

so 12 g of helium will have 1.806 X 10²⁴ atoms