albadeon |
Pathfinder Battles Case Subscriber; Pathfinder Roleplaying Game Superscriber
From the Alchemist section in the Classes chapter of the CRB (emphasis mine):
CRB p.72 "Alchemy" wrote:
You gain the Alchemical Crafting feat (page 258), even if you don’t meet that feat’s prerequisites, and you gain the four common 1st-level alchemical formulas granted by that feat.
CRB p.73 "Formula Book" wrote:
The formula book contains the formulas for two common 1st-level alchemical items of your choice, in addition to those you gained from Alchemical Crafting and your research field
CRB p.73 "Research Field / Bomber" wrote:
You specialize in explosions and other violent alchemical reactions. You start with the formulas for two 1st-level alchemical bombs in your formula book, in addition to your other formulas.
So, I'd say 4 for the crafting feat + 2 extra in your book + 2 extra for being a bomber. Reads like 8 should be the right answer, I think. I'm not sure where you got either 6 or 10 from to be honest...