Hydrochloric acid question

Hi, anyone here knows about Molarity and relationship with % concentration?    I found this  reagent grade HCL it says 0.1 M and 3% V/V but it does not mention what concentration is this. How do you know what concentration is this? is there a formula to find concentration from M?   is this ok to activate mms and cds?      
  www.carolina.com/specialty-chemicals-d-l/hydrochloric-acid-01-m-03-vv-reagent-grade-1-l/867823.pr?question=

I think 0.1M HCL is very low %. By the way, it is 0.3% v/v not 3% v/v. 

You might be able to weigh a sample to determine the %. 

If I was a chemist, I might be able to answer your question!