Answered

.) Calculate the mass in grams of each of the following samples.

a.) 0.251 mole of ethyl alcohol , C2H6O

Verified Answer :

12+12+6(1)+16 =46      46*.251 = 11.546 gram

syed514

The mass in grams would be 
mass= Molar mass x numbers of mole

m(C2H6O)=nM

                =0.251(2x12.01+1.008x6 + 16.00)
                 =11.56g

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