Question

part: 1 / 2
part 2 of 2
what would happen to the molarity of the solution if you forgot to rinse the funnel?
○ the molarity of the solution in the flask would be higher than the calculated value.
○ the molarity would remain the same as the calculated value.
○ the molarity of the solution in the flask would be lower than the calculated value.

Explanation:

Molarity is defined as $\frac{\text{moles of solute}}{\text{liters of solution}}$. When preparing a solution, if you forget to rinse the funnel, some solute remains stuck to the funnel instead of transferring to the volumetric flask. This means the actual moles of solute in the flask are less than the amount you calculated you added. Since the final volume of the solution is still made up to the mark, the denominator (volume) stays the same while the numerator (moles of solute) is lower. This results in an actual molarity that is less than the calculated value.

Answer:

The molarity of the solution in the flask would be lower than the calculated value.