How many moles of H20 are equivalent to 97.3 grams of
H2O?
(H = 1.008 g/mol, O = 16.00 g/mol)

Calculate the number of molecules present in 0.750 mol of mgo.

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.

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.