chicken egg osmolarity

[Jenny Wilkinson]

Hi,
Hope someone can help me out - we do an experiemnt in which students 
use a declacified chicken's egg to look at osmosis. Egg is placed in 
different solutions and the weight changes noted, this is then 
related to osmolarity of the solution.  We have an eperimental 
osmolarity for the contents of the egg but I was wondering if anyone 
has an actual figure that we could compare with the experiemntally 
derived one?  The other question was do the shell memebranes deal 
differently with NaCl (comapred with mammalian cells) as we get very 
variable results?

Cheers,
jenny