If we plot the amount of Na2SO4 formed against the mols of NaOH added
what does the intersection of the two regions indicate, and where is the
intersection
~ the stoichiometric point representing where the point where amount of NaOH
and H2SO4 are in stoichiometric proportions i.e neither a...
If we spill a large quantity of acid or base how can we clean it up
✓~ HazChem mixture, or sodium bicarbonate and water
Formula for sodium bicarbonate
✓~ NaHCO3
Concentrated acids when mixed with water evolve...
✓~ heat
mass balances are precise to plus/minus...
✓~ 0.0015g
, Where is the hottest part of a flame
✓~ near the center, top of the blue portion
What happens when the air gas mixture begins to burn before it reaches the
top of the burner, when using the bunsen burner?
✓~ Barrel will become very hot and flame will turn green, shut off gas supply and
allow burner to cool
The cylinder chosen for measuring should not have...
✓~ a volume more than 10x volume to be measured
precision of a buret
✓~ plus/minus 0.02mL
The volumetric flask enables you to...
✓~ prepare solutions for a specified concentration
Sig digs for H3O+ M when pH is:
2.0
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