(A).Calculate the theoretical mass of NaBH4 needed to reduce 100mg of benzil to (+) -benzoin.(B). Calculate the theoretical mass of benzil that can be reduced to hydrobenzoin using 100mg of NaBH4. Data for NaBHy )mass of Na BtHtt 0:2009O.640reductionof benzi0.200gMASS of benzil lolaWeight of filtupaper O490gWeight product 1.41D9of filter paper and135 - 136°Cmp productmp product+ bentoin l17-126°Cmp product + Meso hydrobonz137739°C

Given that: Total Mass of NaBH4 = 0.200 g Total Mass of Benzil = 1.01…

Data for NabHy reduchonof benz mass of Na BHy 0:2009 MASS of benzil 1019 Weight of filtupaper O690g Weight of fi Ha paperand prduct 1.410g mp product 135 - 136°C mp produt+ bentoin 117-126°C mp product + Maso hydrdbon 39°C

Data for NabHy reduchonof benz mass of Na BHy 0:2009 MASS of benzil 1019 Weight of filtupaper O690g Weight of fi Ha paperand prduct 1.410g mp product 135 - 136°C mp produt+ bentoin 117-126°C mp product + Maso hydrdbon 39°C

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter20: Organic Chemistry

Section: Chapter Questions

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Question

(A).Calculate the theoretical mass of NaBH4 needed to reduce 100mg of benzil to (+) -benzoin.

(B). Calculate the theoretical mass of benzil that can be reduced to hydrobenzoin using 100mg of NaBH4.

Data for NaBHy )
mass of Na BtHtt 0:2009
O.640
reductionof benzi
0.200g
MASS of benzil lola
Weight of filtupaper O490g
Weight product 1.41D9
of filter paper and
135 - 136°C
mp product
mp product+ bentoin l17-126°C
mp product + Meso hydrobonz137739°C

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