Chem 2 Lab WS 99
#400, Solubility Constant
Postlab

Name: _____________________

Section: __________________


1.(1) Give 2 modern day uses of a centrifuge.
  












(2) Calculate the Ksp for Ag2CrO4  at 25`C if 
the experimental concentration of silver ions is 
3.6 x 10 -3 M and the cromate ion concentration is 1.9 x 10 -3 M.













(3) Calculate the experimental error 
if the accepted Ksp = 2.23 x 10-8