What is the molecular mass of cholesterol if 0.5731 mol weighs 221.6g?

Question

I need to show my work using conversion factors.

thanks

Answer 1

moles = grams/molar mass.
0.5731 = 221.6/molar mass
molar mass = 221.6/0.5731 = 386.67.

By conversion factor.
molar mass = 221.6g x (1 mol/0.5831g) = ??

Answer 2

Titanium metal is obtained form the mineral rutile, TiO2. How many kilogram of rutile are needed to produce 100.00 kg of Ti?

Answer 3

7.4