Question

how many atoms of carbon are present in 7.8 gram of benzene

Answer 1

molecular mass of benzene is 78 gram/mole

now in 78 gram of benzene, there is 6 carbon atoms are present.....
so,,, in 7.8 gram there will be no. of atoms is....
= 7.8×6/78
= 0.6 atoms......

hope this helps.....
if correct.......
please please mark as brainlist plzz

Answer 2

the answer is 6.023 (10 to the power 22)

because 78g contains 6.023(10 to the power 23 atoms)

then 7.8g will contain ???

use unitary method then you will arrive at the above answer....

hope you find the answer useful!!!!