posted by Anonymous .
How many moles of bromine atoms are in 8.0x10^20 bromine molecules?
1 mole = 6.02x10^23
A bromine molecule has the formula Br2.
Multiply the number of Br2 molecules by 2 to get the number of atoms of bromine.
Divide the number of atoms by 6.02x10^23 atoms/mole to get moles of Br atoms
how many molecules of br2 react with 1.11x10 20 molecules of f2