Question

Double replacement reaction: Li2CO3 + AlCl3 -->

Answer 1

It says the correct answer is LiCl+Al2(CO3)3 , and i understand why the elements are in that order but I don't understand why the subscripts are

Answer 2

lithium carries a +1 charge, carbonate carries a 2-

Answer 3

aluminum has 3+ charge, and chlorine 1-
It is uslally postive charge first

Answer 4

(CO3)3 means 3 of the carbonate radical
it is 3 because the aluminium ion has a charge of 3+
CO3 has a charge of 2-