How do I calculate Molarity?

I have a stock solution of 0.200M of CoCl2. I put 1.00mL of CoCl2 (stock solution) with 9.00mL of methanol totaling 10.00mL. How do I calculate the M of CoCl2?

Sports Pro2010-04-25T16:16:48Z

Favorite Answer

take the moles of it...might need to convert

divide by the liters of it..might need to convert mL to L