Question

What is the number of moles in 4.55x10^23 molecules
of NH₂?

Answer 1

Answer: 0.756 moles

Step-by-step explanation:

1 mole of NH2 has 6.022 x 10^23 molecules therefore:

(4.55x10^23)/(6.022x10^23)= 0.7555 moles or 0.756 using sig