There are 7—1-butanol, 2-butanol, 2-methyl-1-propanol, 2-methyl-2-propanol, diethyl ether, methyl propylether, and methylisopropyl ether.
Let x is the % of (+) 2-butanol.
13.9 x – 13.9 (100 – x) = – 300.
x = 39.2, % of d form = 39.2, % of l form = 60.8.
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