chemistry

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

I need to show my work using conversion factors.

thanks

• chemistry -

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) = ??

• chemistry -

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

• chemistry -

7.4

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