Galvanic cells

[Crash]

I have been setting up and carrying out a basic halfcell

Cu and Zn , heres my prob i cant get it to work.

i have used 1mole .75 .5 and .25 per litre concentrations (of both zn and cu) and sulfuric acid, potassium nitrate as a salt bridge using both u tubes and filter paper and nothing works

i am in need of urgent help

Cheers

[YT2095]

at face value it sounds fine (but Impossible to comment without a visual really)

have you checked for any air gaps in your U tubes perhaps?

and your meter is on the correct setting?

Sounds silly I know, but it`s often the silly stuff that trips us up more often than not