Question

9.3
Calcute the mass
the mass of 12.044 Xlo
oxygen .
atoms 2​

Answer 1

Answer:

find the probaliteof getting 60 marks out of 80 marks

Answer 2

Answer:

I expect your question is mass of 12.044*10^23 oxygen atom.

6.022*10^23 atoms make a mole

12.044*10^23=2mole

1 mole of oxygen atom weighs 16gm.

2 mole of oxygen atom weighs 32gms.