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0.1mol/L Na2S2O3和0.1mol/L H2SO4溶液各5mL,加水5mL,反应温度10℃ 0.1mol/L Na2S2O3和0.1mol/L H2SO4溶液各5mL,加水10mL,反应温度10℃ 0.1mol/L Na2S2O33和0.1mol/L H2SO4溶液各5mL,加水10mL,反应温度30℃ 0.2mol/L Na2S2O3和0.1mol/L H2SO4溶液各5mL,加水10mL,反应温度30℃
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10℃时0.1 mol /L Na2S2O3和0.1 mol /L H2SO4各 5 mL 20℃时0.1 mol /L Na2S2O3和0.1 mol /L H2SO4各 5 mL 10℃时0.1 mol /L Na2S2O3和0.1 mol /L H2SO4各5 mL,加水10mL 20℃ 时0.2mol /L Na2S2O3和0.1 mol /LH2SO4各5 mL,加水10 mL
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NaOH(aq)+1/2H2SO4(aq) 1/2Na2SO4(aq)+H2O(L.);△H=-11.46kJ/mol NaOH(aq)+1/2H2SO4(aq) 1/2Na2SO4(aq)+H2O(L.);△H=-57.3kJ/mol 2NaOH(aq)+H2SO4(aq) Na2SO4(aq)+2H2O(L.); △H=+114.6kJ/mol NaOH(aq)+1/2H2SO4(aq) 1/2Na2SO4(aq)+H2O(L.);△H=+114.6kJ/mol