The visible universe is estimated to contain `10^(22)` stars. How many moles of stars are present in the visible universe?

Explanation

`6.022 xx 10^(23)` stars = 1 mole of stars.
`10^(22)"stars" = (1 xx 10^(22))/(6.022 xx 10^(23)) = 1.67 xx 10^(-2)` mol