Recent content by loz123

Hi, I am working on a biology lab regarding the tree algea, pleurococcus and how its density on trees is affected by direction (N,S,E,W) and light received from each direction. Here is a screenshot of the data I have access to: http://tinypic.com/r/jugxa1/6 My question is: what would you guys...

I have a test tomorrow and I thought I knew how to do these types of problems but my answers are all wrong. Here is the question: The solubility of CaSO4 at 25*C is 1.61x10^-2 mol/L. What mass will dissolve in 50.0 mL of water if the sample is only 20.0% pure? Heres what I did. First I...