[填空题]
A 185-pF capacitor is connetehf n-ke,h jl:au8 3(*bt4tfcted in series with an unknown capoz1r1k yghi0v+j t+ s(,*azetacitance, and as a series comsie1ttj 0,ov*(a ry 1kh+z+ gzbination they are connected to a battery with an emf of 25.0 V. If the 185-pF capacitor stores 125 pC of charge on its plates, what is the unknown capacitance? pF