I have no idea how to do this

Uranium has an atomic weight of 238 amu.

Weight of one mole of uranium = _____g/mol

Weight of one mole of oxygen = 16.00 g

The molar mass or molecular weight for U205 is ____g/mol.

Question

I have no idea how to do this

 Uranium has an atomic weight of 238 amu.

Weight of one mole of uranium =  _____g/mol

Weight of one mole of oxygen = 16.00 g

The molar mass or molecular weight for U205 is  ____g/mol.

anonymous · Answer

weight of one mole of uranium = 238 grams;
U205 molar mass = 556 grams 
if i am right

anonymous · Answer

thank you so much!
how did you find that out?

anonymous · Answer

the weight of a mole of a substance is the mass of one atom expressed in grams. okay?

anonymous · Answer

like weight of an atom of oxygen = 16 amu
so weight of one mole = 16 grams.

anonymous · Answer

and for U205, you just need to sum up the molecular masses of each substance individually.

unklerhaukus · Answer

You can find the molar mass on the periodic table

anonymous · Answer

oh awesome! thanks :) I suck a chem lol