Mologadro can weigh out chemicals directly into moles, enables a chemist to weigh out chemicals directly into moles -- no grams-to-moles conversion required. Mologadro interfaces with your electronic balance and does the conversion on the fly, so all you have to keep track of is when you reach the desired number of moles of that substance.
Limitations:
* Limited to the use of two elements only: Hydrogen and Oxygen.

The license of this software is Free Trial Software, the price is $25.00, you can free download and get a free trial.