Question

What are the molecular formula for:

3-methylpentanoic acid
Cis-2-propyl-2-hexane
N-methylpropanamine
N-methylhexan-3-amine

Answer 1

Google as I did for this one.

https://www.google.com/search?q=3-methylpentanoic+acid&ie=utf-8&oe=utf-8