Actually, as both a scientist and a graduate of a women's college I think they are doing a pretty good job. In fact, more women who have received their PhD's in the sciences (and chemistry specifically) did their undergraduate work at the college I went to than any other college regardless of size.

A big issue with women and getting PhD's in the sciences is a lack of role models and the fact that universities (due to tenure) tend to tolerate truly horrible and disrespectful treatment of women graduate students by male professors. I know that I experienced that and have known plenty of other women scientists who did too. Once I entered industry, I was treated equally to my male collegues and with respect. The kinds of attitudes I expereinced in graduate school are not tolerated industry (at least at most large corporations).