That would depend on the type of lava. Darker mafic lavas (the kind that you imagine bubbling along in a goopy stream) will have heavier minerals, and be denser. This makes a heavier gallon!
how much does a gallon of concrete weigh
no i didn't get the answer
128 one ounce servings in a gallon.
1 US gallon would weigh approx 39.8 newtons.
A gallon of 25% hydrofluorosilicic acid will weigh approximately 13.6 pounds.
1 gallon = 4 quarts 1 quart = 0.25 gallon
8 pounds
834
no i didn't get the answer
6.3 pounds.
7 pounds
about the same as a gallon of water: 8+ lbs