2. A student, following the procedure described in this module, used water as the solvent and encountered some interesting problems. Comment on the effect, if any each of the following situations could have had on the experimental results.
a) The unknown, a white powder, failed to dissole in the solvent.
b). The student returned to the laboratory instructorr for a different solid unknown dissolved, but bubbles were seen escaping from the solution almost immediately after the addition of the solid.
c.) As the student was setting up the apparatus to measure the freesing point of the unknown solution, the thermometer assembly broke. The student obtained a new thermometer and performed the experiment as instructed.
2006-12-21 20:27:12 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
The important background for this set of questions has not been included, ie. 'the procedure described in this module'. One cannot understand the effect, if any, of any situation, without knowing the experimental design.
2006-12-21 20:51:17 · answer #1 · answered by teachbio 5 · 0⤊ 0⤋