Use the search too -- it's located at the upper right of the screen -- to find your answer. You may have to do a bit of arithmentic, though, because you may find answers that provide the weight of one ounce of water or perhaps the weight of a gallon.
There are 16 ounces in a pound. So if we are talking weight ounces rather than liquid ounces, it would be 5.31 pounds.
33 ounces
It depends on the density of the liquid.
Approximately 35 ounces.
The weight of tap water varies depending on how much liquid is contained a specific vessel. A cup of water weighs approximately 8.3 ounces.
20 pounds
Depends purely on the liquid since weight by volume varies.
It will weigh the same as when in a liquid state.
That's going to depend on what the liquid is, and how much the empty can weighs.
about .003 ounces
8 lbs
2 pounds