i don't get how to do molar conversions?

Question

I hope this helps.
1.) Go to google.
2.) Type in molar conversions
3.) Click on the first link.

This link has examples and the answers to the practice problems. To get better at these. Remember to keep practicing.

If you can be more specific about the kinds of molar conversions I'm sure we can help.

3-methaly-3-butanal