(Answered) Two capacitors one 120 microf and the other of unknown

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Two capacitors, one 12.0 µf and the other of unknown capacitance, are connected in parallel across a battery of EMF 9.0 V. The total energy stored in the two capacitors is 0.0115 J.

A) What is the unknown capacitance, C?

B) What is the total charge stored on the two capacitors?

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