how many mole of h2o2 is required to produce sufficient oxygen which can be used to completely convert 2L at stp so2 gas to so3 gas?
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=· 2SO2 + O2 → 2SO3 2H2O2 → 2H2O + O2. For 2 moles of SO2, the volume of the gas at STP = 2 x 22.4 L = 44.8 L. So,44.8 L of SO2 need 1 mole of oxygen which is produced by 2 moles of H2O2. Hence,2 L SO2 need = 2 moles of H2O2 x 2 / 44.8 = 0.0893 moles of H2O2
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