The purpose of a titration, such as that done in the hard water lab, is to
A. change the pH of a solution
B. cause a precipitate to form
C. determine the concentration of a unknown chemical in a
solution

where is the following

explanation:

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

i think slash and