Explanation:
I'm pretty sure 1. yes 2. no and 3. it might be yes but I'd just put a maybe
The chemical change that involves breaking down substances using electricity is C. Electrolysis.
Multiply the volume by the density. 1 ml = 1 cm^3
1.11 g/cm^3 * 1 cm^3/mL * 386 mL = 428 g
All your units cancel out except for g which is what you would expect since you want units of mass.
