218,671 views
2 votes
2 votes
What is the number of formula units in a 9.21 mol sample of CaO ?

User Austen Stone
by
2.6k points

1 Answer

13 votes
13 votes

Answer:

5.546262 x 10^24 formula units

Step-by-step explanation:

Use avogadro's number

9.21 mol CaO ((6.022 x 10^23 formula units CaO)/1 mol CaO)) = 5.546 x 10^24.

I rounded to 3 sig figs.

User Siavash Abdoli
by
2.8k points