Chemistry · Chapter 3

Make a Solution to Order

Molarity is moles of solute per liter of solution, not per liter of water. Set a target, weigh the solid, then walk the flask through to the etched mark.

Step 1 of 5 · weigh the solidThe balance reads the mass you need for your target.
A volumetric flask being filled to the mark
Step 1 of 5
Weigh the solid

Your target

Solute
molar mass58.44 g/mol
Flask volume
Target molarity 0.800 M
0.010 M2.000 M
11.69g to weigh out

What the balance really read

Mass you actually weighed 11.69 g
20% underon target20% over
0.800M actual on target

Mark or no mark?