Answer :
Answer:
basically you do moles equals mass divides by atomic mass or formula mass. But in this case you do mass divided by atomic mass. Remember to multiply the atomic mass of Oxygen by 2 because there are 2 atoms.
Answer:
basically you do moles equals mass divides by atomic mass or formula mass. But in this case you do mass divided by atomic mass. Remember to multiply the atomic mass of Oxygen by 2 because there are 2 atoms.
