When was the last time you cried? Not a few drops of salty water from your eyes, or the odd tear that slipped down your face while watching a tragic event. I'm talking about warm tears of the heart.
Certain inward attitudes and duties are incumbent on those who seek, through the payment of Zakat, that which leads to good in the Hereafter. Here is an excerpt on Zakat from Imam Al-Ghazali's "Innner Dimensions of Islamic Worship".
When you ensure that women are included in the Masjid, you are ensuring that the entire community has access to the teachings of Islam. You are showing non-Muslims that Islam does not stand for the exclusion of women and children, that Islam is not a "man's religion."