How many mentos do you put in a diet coke for it to explode?

Question

How many mentos do I need to put in a 2 liter of Diet Coke for the thing to explode? It's for a Rube Goldberg Project and an answer A.S.A.P. would be VERY NICE!!!!!!

Answer 1

as many as you want

Answer 2

i think only one

Answer 3

jus one ya gotta take a mentos and chew it up then stick it to under the cover then shake pop

the exploding one is where ya use dry ice

Answer 4

3

It doesn't explode it just shoots up like a rocket!

Answer 5

i tried doing that and it didn't work...