Question

4. How many moles in 2.0 x 1023 atoms of H2O?
here.

Answer 1

0.33 moles

Step-by-step explanation:

to find the number of moles,

moles = number of atoms / avogadro's number ie 6.02 x
`10^(23)`

moles = 2.0 x
`10^(23)` / 6.02 x
`10^(23)`

moles = 0.33 mol