A capacitor is made from two 1.90 cm diameter coins separated by a 0.82 mm thick piece of paper (K = 3.70).?

A capacitor is made from two 1.90 cm diameter coins separated by a 0.82 mm thick piece of paper (K = 3.70). A 19.90 V battery is connected to the capacitor.
How much charge is on each coin?
Thank you!!
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