R runstorm Junior Member 10+ Year Member 7+ Year Member 15+ Year Member Joined Oct 2, 2005 Messages 92 Reaction score 0 Jun 18, 2009 #1 Hey does anyone know how to do number 139? I don't understand how the answer is 85% R; and 15% S.... Members don't see this ad.
Hey does anyone know how to do number 139? I don't understand how the answer is 85% R; and 15% S.... Members don't see this ad.
D dentista123 Full Member 10+ Year Member Joined Jun 15, 2009 Messages 171 Reaction score 0 Jun 18, 2009 #2 70% is R and the rest is racemic racemic = mixture of R and S mixture of R and S = 50% R and 50% S If the rest = 100-70 = 30 Then half of 30 will be R and the other half will be S (racemic) 70% + (30/2) = 85% R Upvote 0 Downvote
70% is R and the rest is racemic racemic = mixture of R and S mixture of R and S = 50% R and 50% S If the rest = 100-70 = 30 Then half of 30 will be R and the other half will be S (racemic) 70% + (30/2) = 85% R
R runstorm Junior Member 10+ Year Member 7+ Year Member 15+ Year Member Joined Oct 2, 2005 Messages 92 Reaction score 0 Jun 18, 2009 #3 OOOhh Ok I get it now thanks!! Upvote 0 Downvote
