SQ1. How much MgSO4 · 7 H2O do you need to weigh out
to get 150 ml of a 10 mM solution?
SQ2. What volume water should you add to 2.4 mg of a compound to get a concentration
of 2 mg/ml?
SQ3. Starting with an E. coli culture of 5×108cells/ml,
describe how you would obtain 2 ml of a diluted culture, containing2×107
cells/ml.
SQ4. Do you already feel comfortable using micropipettors?
SQ5. Do you already feel comfortable using glass pipets?