Question

How do I answer this?

Answer 1

Try posting this in science, not math

Answer 2

yea it should be in Chemistry section.

to balance the equation you have to look at each element at a time and insert values until the whole thing balances.

Answer 3

start by looking at the K (potassium) atoms There are 2 on the left so you need to put 2 before the KCl on the right
Now check the Cl atoms and so on...

Answer 4

- that may be all you need to do . Finally check the numbers of each atoms on both sides of the '='.

Answer 5

\[CaCl _{2}+K _{2}CO _{3}=2KCl+CaCO _{3}\]