Question

calculate the formula of following al2(so4)3
(atomic number of al =27 u,s=32,o=16u)​

Answer 1

Al2(SO4)3

Al2-->2×27=54 u.

(SO4)3--->{32+(16×4)}×3

=(32+64)×3=288 u

Hence,

Formula mass=342 u.

Answer 2

thanx a lot dude

i am want to do this type of questions

its aluminium sulphate

mass =27×2+32+16×4×3

54+96×3

54+288

342.5 is the answer

hope it will help you

plzz make me brainliest