A pound is a pound is apound.
One pound of air is equal in mass to one pound of water
Assuming the law of conservation of mass holds true, you could get 1 pound of steam from 1 pound of water.
2.2 pounds.
double the kg + 10%= lbs
it depends on how heavy the tomatoes you are using are, so no one can say. sorry, there's no answer to this question.