1. The problem statement, all variables and given/known data Three capacitors of capacitance 8, 9, and 5 μF respectively, are connected in series to a 4 V battery. What is the charge on the positive plate of the 9 μF capacitor? 2. Relevant equations Q = C*E 1/C = 1/C1 + .. 3. The attempt at a solution I drew out the circuit it would make. I know that to calculate C it is 1/C = 1/C1+1/C2... I took the general equation for Q= C*E. I did this and got 1.74 uC. But, this is not correct. Could you tell me where I am going wrong?