Which has more mass, one mole of carbon (C) or one mole of copper (Cu)?
Explain.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

What is the mass of 0.46 mol of mgcl2

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.