Which is heavier, 100 trillion tons of water or 100 trillion tons of feathers? Oh, and I’ll have a latte with extra foam and X’d with chocolate.
I know you are joking, but did you know a pound of gold weighs less than a pound of lead?
A pound of gold weighs 5,760 grains. A pound of lead weighs 7,000.
Gold is weighed in the Troy System, lead in the Avoirdupois System.