1CKBrO3?6VKBrO?nS12O32??6?0.10200?19.61?1020.00?10?3?3?0.01667mol?L?13
-1
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6.10 ³ÆÈ¡º¬KIÖ®ÊÔÑù1.000gÈÜÓÚË®¡£¼Ó10 mL 0.05000 mol.L-1 KIO3ÈÜÒº´¦Àí£¬·´Ó¦ºóÖó·ÐÇý¾¡ËùÉú³ÉµÄI2£¬ÀäÈ´ºó£¬¼ÓÈë¹ýÁ¿KIÈÜÒºÓëÊ£ÓàµÄKIO3·´Ó¦¡£Îö³öI2µÄÐèÓÃ21.14 mL 0.1008 mol.L-1 Na2S2O3ÈÜÒºµÎ¶¨¡£¼ÆËãÊÔÑùÖÐKIµÄÖÊÁ¿·ÖÊý¡£
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??KI?1??5?n?n??M?2?S2O3IO36??mÑùKI?100%??10?0.05121.14?0.1008??????5?166.0133610?10?1.000?100%?12.02%
6.11 ½«1.000g¸ÖÑùÖеĸõÑõ»¯³ÉCr2O72-£¬¼ÓÈë25.00 mL 0.1000 mol.L-1 FeSO4±ê×¼ÈÜÒº£¬È»ºóÓÃ0.0180
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?Cr?31?nFe2??5nMnOmÑù?4??MCr?100%
?3?3?0.1000?25.00?5?0.0180?7.00???101.000?52.00?100%?3.24%
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5
?H2O2?2nMnO??MH2O245?100%?2?0.02400?36.82?101.010?10.00?3?34.02?100%?0.7441%mÑù
6.13 ³ÆÈ¡Í¿óÊÔÑù0.6000g£¬ÓÃËáÈܽâºó£¬¿ØÖÆÈÜÒºµÄpHΪ3~4£¬ÓÃ20.00 mL Na2S2O3ÈÜÒºµÎ¶¨ÖÁÖյ㡣1mL Na2S2O3ÈÜÒºÏ൱ÓÚ0.004175g KBrO3¡£¼ÆËãNa2S2O3ÈÜÒºµÄ׼ȷŨ¶È¼°ÊÔÑùÖÐCu2OµÄÖÊÁ¿·ÖÊý¡£ ´ð°¸£º
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?0.1500mol?L?1
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