Solving the Ammonium Chloride Problem

[chound]

Please solve this problem for me:
"Through the two ends of a glass tube of length 200cm HCl gas and ammonia gas are allowed to enter. At what distance ammonium chloride will first appear?

 

[ComputerGeek]

Please solve this problem for me:
"Through the two ends of a glass tube of length 200cm HCl gas and ammonia gas are allowed to enter. At what distance ammonium chloride will first appear?

sorry, this is a place of learning, not a place for easy answers. try working it out on your own and coming here for help on the parts you get stuck on.

 

[chound]

sorry, this is a place of learning, not a place for easy answers. try working it out on your own and coming here for help on the parts you get stuck on.

I got the answer. I had forgotten to take square root of the masses