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OpenStudy (anonymous):
Would someone please help me? Thank you! Electricity was passed through two different electrolytic cells connected in series. One of the cells contained dilute sulfuric acid solution and 250 cm^3 of oxygen (measured at STP) was evolved at the positive electrode (anode). The second cell contained molten lead bromide. the positive electrode (anode). The second cell contained molten lead bromide. (I mole of gas occupies 22.7 dm^3 at STP). Deduce the mass of lead that was formed in the second cell.
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