Think, does a chemical reaction take place? Do the rocks and/or the water undergo any chemical changes?
Ever heard of this thing called... RESEARCH!? You might want to try it buddy. Sayounara.
Answer:
2M
Explanation:
M=mol/L
1. Find moles of CoCl2
mass of substance/molar mass = 130/129.833 = 1.001 mol
3. Substitute in molarity equation
M=(1.001/0.5)
M= around 2M
