posted by Jeanine .
calculate the ph of a solution by addition of 0.1 mL of 0.5m hcl to 50.0 ml pure water.
I'm supposed to use c1v1=c2v2...
but I did 0.1/50ml=0.002....
0.002x0.5.. then -log the answer and got 3 for a ph is it right?