One molecule of NaBH4 can in theory reduce four ketone functional groups. If you had 25...
One molecule of NaBH4 can in theory reduce four ketone functional groups. If you had 25 mg of NaBH4, how many many mg of benzil could be fully reduced?
Homework Answers
Moles of nabh4 = 25*10-3g/ 37.83g/mol =0.66*10-3 moles
This will react completely with its 4times ketone group (benzil)
Thus moles of benzil = 4*0.66*10-3 = 2.64*10-3 moles
Weight of benzil in these moles ,
Moles = weight /molar mass
=0.00264g/ 210.23g/mol = 0.00001257 g
= 0.01257 mg of benzil
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