20 times 40 equals 800 pounds
Is the gold 5 gallon pail empty or full? If full, full of what?Okay - 5 gallons0.264 gallons/liter = 18.9 Liters1000 cubic centimeters / liter = 18927 cc19.32 grams per cc == 365670 grams1000 grams...
Sp Gr of Gold = 20 means that gold weight 20 times as much as the waterSo the gold weights 20*40 = 800 pounds.
If the pail is being measured in UK gallons then the weight of the same volume of gold would be 19.23 times the weight of the water, 769.2 lbs
the same as it weighs in an abnormal pail - 1 kg/L.