劣梦化学c志|人创02F0PJ柳牒指导教师:邓“敛邓栾善设计:任弘施辽宁大学化学隙:定量分析概论:,氧化还原演定法:|泡滁献定话:,驳光光度法:刍析化学中常用的分离和富积林lHID、In,厂ID厂$1:定量分析概论vleM1000V=-z5一一+16H+-=2Mn2z+10CO,+8HLO2msucsor井1000故:CKvMmou一NINNazC04|1KMnO丿0.2262一.1000二一-一一-一一一=0.0162134.0X41.500.01627morssEtnM55.847=5c一AEe=5X0.01627-Kwnoywre“10001000=0.004556=4.556X103(g/mL)工eMaoroyWSos121J11000159.696.495X103g/mL工二一昙X0.01627XssEaeaem6.解:反应式:NaxCOs+2HCI-2NaCIH+CO,+H,O已知公式:知八文1NaoCO3于10000NaoCOy%=一一一一X100mis所以:【0.1000X25.二“159.69二一一一X100口80X1000=0.168g201025_87.解:已知公式=lTKMn0瓢KCN二五CKMmnouMkcN故:ekwmo,=0.1978(moUU)所以:CkMnouYKMnou一MkcNKCN%=一一一一一一一X100msX1000=43.1020102-或直接用滴定度T计算:TxVKCNo%=-KMnoyKCN_KMaOtx100=43.10msX1000ssEaEaeen一