Session 2 · Hour 1 · The number begins before the glass

1. Hour 1The number begins before the glass
2. Hour 2Hour two. Dilute.
3. Hour 3Hour three. The mark.
4. Hour 4Hour four. Check the flask.

CheckWrite C1V1 = C2V2 for one dilution. Then name the glass that makes the mark. Wrong mass, wrong litre, wrong number. Always.