First off, don't waste your time buying estimating software.

Is the slab staying? What is the site's access? Do you have an overall square footage of the project?

It will also probably be a little hard without seeing the project.

Here are a couple of online guides that can come in handy for weight of some material:

Material Weight - Demolition Estimating - p1m.com

Conversion factors for construction and demolition waste: Diversion Study