Question

The sedative Demerol hydrochloride has the formula C15H22ClNO2. How many grams are in 0.020 mol of Demerol hydrochloride?
I got 6.640g is this right?

Answer 1

u need to get the M as M= 15*M(C) + 22 * M(H) + 2 * M(O) + 1 M(Cl) + 1 M(N) then u use the formula n=m/M and u replace youll have m= n*M

Answer 2

I obtained 283.798 for the molar mass and 0.02 x 283.798 = about 5.68 g but check me out on that.