For conductivity measurements, briefly explain what theconversion from conductivity units (micro-S cm-1 ) to equivalentconcentrations of NaCl and CaCO3 means -- what assumptions areassociated with this conversion? Comment on the accuracy of theconductivity measurements of the known NaCl standard solutions --was your conductivity meter sufficiently accurate (i.e. withinerror)? If not, what do you think was the largest source oferror?