It would be less than a gallon and it should serve about 20 people. A serving is considered to be 4 ounces. That's about one big serving spoon per person.
Approximately 4.5 quarts in 5 pounds of potato salad, including hard-cooked eggs.
how much does a gallon of concrete weigh
To start with, you should never be putting mustard or vinegar in potato salad!! Yuck!!
potato
it all depends on the size of the chicken salad
I would make 25 pounds of it.
That is 87.5 pounds
they weigh 200g after cook
There are 4 quarts or 16 cups in a gallon, so if you consider 1/2 cup a serving (pretty standard) , you have 32 servings.
The same as a potato?
Unless you have a recipe which substitutes the mayonnaise with something much healthier, then no...
On average, 1 gallon of Italian dressing weighs around 8.3 to 8.6 pounds, depending on the specific brand and recipe.