The liquid part of the reaction medium, under the starting conditions already specified, and within {HEAD ~ the preferred range} of {TAIL ~ ratio} of water to sodium hydroxide, consists of two phases 
of
The liquid part of the reaction medium , under the starting conditions already specified , and within { HEAD ~ the preferred range } of { TAIL ~ ratio } of water to sodium hydroxide , consists of two phases
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH