You need to measure out .23 mol of C8H16O8 for an experiment. How many grams would you need to weigh out?
First, let's find the molar mass of
Carbon weighs 12.011 grams, and we have 8 of those. Multiply.
Hydrogen weighs 1.008 grams, and we have 16 of those. Multiply.
Oxygen weighs 15.999, or 16g, and we have 8 of those. Multiply.
Add the atomic masses.
Now, to find the number of grams needed, set up a proportion.