marli8esuzakittle marli8esuzakittle

24-11-2016
Chemistry

contestada

.) Calculate the mass in grams of each of the following samples.
a.) 0.251 mole of ethyl alcohol , C2H6O

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ghulam35210 ghulam35210

24-11-2016

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

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syed514 syed514

25-11-2016

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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