Answer: No. A recipe of 2.5L will not be enough.
Step-by-step explanation:
The first step to answering this question is converting 2.5 Liters to quarts by using the conversion factor, 1.057 quarts per liter. The formula to do this is:

**If you're required to use the correct number of sig figs, the solution to the previous equation should be 2.6 quarts.
Since 2.6425 quarts of punch is less than 3 quarts of punch, the recipe won't be enough.