Vitamin a has a molecular formula c 20 h 30 o. How much no of molecules will vitamin a contian in 500mg capsule? ?

Question

Plz tell me now tomorrow is my test .I will be very grateful of u. .

Answer 1

the molar mass is 20*C+30*H+O
where C,H,O are the atomic masses of the atoms.

Now divide 500g/molarmass * Avogadro's Number

review what moles are