Question

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

Answer 1

Answer:

0.33 moles

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