-- Find out what 'e' is.
-- Double it.
-- Add 10.
The answer is good as long as 'e' doesn't change.
Then you have to do it all over again.
Chat with our AI personalities
9E-05x
oxidation
2e - 12 = 7e + 8Add 12 to both sides: 2e = 7e + 20 subtract 7e from both sides: -5e = 20 divide both sides by -5: e = -4
MgCl2 aq plus Zn s is the oxidation half-reaction for Mg s plus ZnCl2 aq.
10 + 10 + 10 + 5 + 5 +1 = 41.