The volume of fluorine gas required to react with 4.26 g of calcium bromide to form calcium fluoride and bromine at 25.0 °C and 4195 torr is ________ L. A)0.0943 B)0.241 C)241 D)1.24 × 10^-4 E)0.124

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Quizplus · Accepted Answer

The balanced chemical equation is:CaBr2 + F2 → CaF2 + Br2Moles of CaBr2 = 4.26 g / 203.19 g/mol = 0.021 molMoles of F2 = 0.021 molVolume of F2 at 25.0 °C and 4195 torr = (0.021 mol * 0.0821 L*atm/(mol*K) * 298 K) / 4195 torr = 0.0943 L

The Volume of Fluorine Gas Required to React with 4