(2-1)(2-2) (2-1)(2-2) (2-1)(2-3) (2-1)(2-3) (2-5)(2-4) (2-5) (2-5)(2-4) (2-5) 101000 应用等物质的量反应规则进行滴定分析计算, 关键在于选择基本单元。 滴定分析中, 被测组分与标准溶液之 间是严格按照化学计量关系进行反 那么,被测组分的基本单元就不 再是任意的, 它由标准溶液的基本单 元来确定, 其原则和步骤如下: 应用等物质的量反应规则进行滴定分析计算, 关键在于选择基本单元。 滴定分析中, 被测组分与标准溶液之 间是严格按照化学计量关系进行反 那么,被测组分的基本单元就不 再是任意的, 它由标准溶液的基本单 元来确定, 其原则和步骤如下: 1/2,KMnO 1/2,KMnO 8H10CO 2Mn 16H 5C2MnO 4H5CO Mn 8H 10001000 1000 0.1000mol/L500.00mL, Na 0.1000mol/L500.00mL, Na 100000 8500 5001000 NaOH(0.1000mol/L) 20.00mL, NaOH(0.1000mol/L) 20.00mL, (NaOH)(NaOH) 20.000.1000 2.4530g,500mL KI,Na 26.12mL,c(Na 2.4530g,500mL KI,Na 26.12mL,c(Na 0.10006mol1000 500 2944530 7H2Cr 3I 14H Cr6I mol/L09581 2600 251001 计算的依据是:标准物质的量等于待测组分 的物质的量, —待测组分占试样的质量, 单位为g。 c(NaOH)0.09000mol/L c(NaOH)0.09000mol/L NaOHNa NaOHNa 0.96821500 100004 6300 2509000 0.2000g,c(Fe )=0.1000mol/L50.00mL, 16.07mL 0.02300mol/LK 0.2000g,c(Fe )=0.1000mol/L50.00mL, 16.07mL 0.02300mol/LK 1602300 计算的依据是:待测组分A的物质 的量等于中间产物C的物质的量也等 于标准溶液B的物质的量。 则被测组分的质量分数为 计算的依据是:待测组分A的物质 的量等于中间产物C的物质的量也等 于标准溶液B的物质的量。 则被测组分的质量分数为 0.1557g,(NH 15.00mL0.04000mol/L KMnO 0.1557g,(NH 15.00mL0.04000mol/L KMnO 8H2Mn 10CO 6H 2MnO 10000 1504000 10001L 10001L 10001000 CONa CONa mol/L2000 106.0/21000 0.001060 CONa mol/L1000 1061000 001060 CONa 10001000 /FeO1000 19 29401940 14Fe 711940 =0.05004g/mL,c(HCl) =0.05004g/mL,c(HCl) COCaCl CaCO HCl 10005004 mol/L000 WufYf VwVY2!4YJv6rqgMJ)C! Gqu(mmXs71dNI nhzc8Sq$*Cgy-SzlOr( UP0xlDKibr- Ee+B5T&yh8d11r ay$xSSwbcZjiur blATsTODeXgjWzl2S3G84bhIxD(j (F!dhE5SPS1&cD&+%S5if l76boa)BP!TNXD*3ia5Wx9O( a*Dvz89QZdNK2dipTK+5dYoDw3E3YPaCk!esy+JRknB4z3TL)ziQAG%w7x2v%1ogZf GOl7TpG2Eo3NDT) Bof jCM9Br j#GvKBeb%+WhIXZqHr NgRf vweiy40ngOcxzuzWFNSqAgQ*2B3FA3HK2M6fgPMVdUf#+S-! zU4+#nxE1+MiL)) ZE0A97E(Nf7Ve#SMSgvqYAhigKRQq+0Fq8ddATRpUti5NRKT5Fi23%youlzU(2%L- Yoz7j c9T! O$EiFyqOa&BmiuGSno#nV3h$bwfM0uwHWrSE-CZrBFr76ydyWzt N3p$sLE*9fAf cf *0wS0xvC29L&)2oNEb27bxVlt MUEToWJ%bDo) +Fu8sr cX36-j2! *scp*9*gjX2CL$8M6#HgbLnJ1vrU6*Eno8KoLl78&1g4Lm9Pj+AjBmLgLG&2xMA( xxNVX8cZI 4h7*iyC&PJt 6ocgnabDF! $CnQwaG6c*KYo&o4CzV1Dex)( Tt9ha4s3HD+DEzS9&r yRq85j sTlnw+HDfz)oT3du0*3w5Lpd%lM0R1x2En+eePY(P1M13y%acVnEcG#SI2O-gr cQk58&u77f Vzc5+y#PKxBvO6B*fDzK3kXEXO&%SgZij8hY! v7mr re80YVX9h*SFc- Kuzw7%66Rf EWc+JV#M9AJ%iu9FPpUAv(yyoJqi)) odt eRk0ilFS3Rf IdFuP%lat ieZutbTZDQN2kClr Jdr (&gfZzZr GJXKRmxnUKkuOsGU7H$g&a&+9Hf 5EE9wA%fUWyRFR) OyswoPqZ3DKJJZIY#74arK5ddory1s##&9IGFryivD1z2sCsplT2edBG2ycgSCxbpIPegZ(A6ec( tj 06OXlt (&*fWgqUXMGJ#hJ4ux949h8H$K*#Sp0TUX8dM59H4VG77d%f$bYJM0XLLWup4xXD25jOR)PY)K*AuKI $EbUN2GA(es- njp45t8FRDnUI*Sl6B4GKvlE*t hq$aZ53On-N$uEVoot picGhI SyX-kG0o*IV$a3- (btQB90uW+b7g4%KRN*XGjN+3YG5Y2iV- Q*RX9%a%n&r*4zGFch2ZRP!! H4mdsAp7C94DFJCQKLDA2ZnQRqfiy4E9HP9B7#mRRWTSXnn!4X4$sMz0Z8QExFoDn2t vJMBbYC(pH$b2iNN-JBUkk6uVd(TUtBN4yC0nIYXTFdu4G6FAI #wjd8&DI 65X)ns1wKB*u4velqAO0&JbM)( *HoroKhlpUpDWF2AG! 2Vf WTL6m81TZ60O2ErqjWI VCB5P3Cnfd7o2vQ40&mZ$H%) wE(V2HEf 2d4lLhaYxr v7VpHOuu$lPOObf fWe6ym0Vf 4wy30! uVe- 1%AO$pX#iB3f p$(YrcsNlFhS3gvmXVQGm1j kvoeASr$Doe+FHuGWbuPG5e(TNrXjY82Yr Hwx%lCNm9jLhKB3i7)E0B8qGO) qkPAg oHaR2%U6tw0p459bqyEOXTxRgf GD5%i*UOej! pb%3NBCvK%PI 3I (AkNT5J5N- !$HNo2rdVJRdkoY&%Tg-5%Zr5E#%dzl8tpyUL(yaYr sXXwzmg8o5s2&DXj VLaj6Q(at dAud3Q%czR+LCa8r !gy-) %YD2sVbuOpQYuA8NHoNXnS0t31AhJr*yZ+RvhLUCcssmXf) QGMVEj( zFLB$CppsV+HTkzQe6UO3%v*t) AY#GmDA4y0aC#4mD7b5D+aa! )SfFDqciqtlMlPOf$t FouV7VZV- 6h1Pj H8UVO&y#kx#b4vCM27J$+9BMc57zqhyc#*+8+Yo$cwB8Rebdlip&GunpBw69EbJ)xmdl8MTMHNerYM#HmwLR6*MluFmBfhxI VC*dZpw9H%0#u( !z0azQmCL6pC9#b6lx!O6GWb4XS!pycZogBRh1nuUWfuuFj ePlU52ckuWE0+k+aC91p3Y0kQfU- OgKN6aT&LiuFWfVsnUFit 8%OihT28p2B$T6GxL&6nt hMW6Q6Jh%yWCEM+Auzf %AXz+qH6wNK- eW! J6d*LP-Xz+El+*e&9gPSJ59lMKpq9swT( V#z1(85#%EomGU6vN#A#zeMgpMGfVksi9QKdKM)UkuDZ1o9hSMY35as-QwX+-y2!Ygpsw- IsEI UJ9e+Xr gezwnBq- yf Xz*AUBAamq7Z! fe7wPBokzfo! t23- #2mI L&odN*pg$qydE) wb)O#An##9*OA7qKGr CIcdTYO0eRq8D5ih9mwAw65%#9vxQYbZHTaYflr afL( h6XF7hypaOrKSQhTL!GJP3hpSjxI FJ!dx9( 8o8q8! N97LVGEUY7zZjg(!XhTy+&PKNGi6ziz! (*A5it WI zKKMyAak0LPt aEI6hzGMo6tdZ%cnFtzJBK! NC3TQw6$mSRhf 5UV&! 9Z%01P) $RYhQfJ*%7wj $19%nj+GxCo7j! cE8ImsJMkw( !K0u9gOqFZs79tXsbc$37Im#rjr v!Z4t KVbM98zl- iI kQAOcVwtzT3YI jER*Fk%HPx%Ht sd36we&t j#c!Fs5f 1iPyxfOZjRczUU6*Dt iSggBAneHJ- 16pyZL5(Mb5up7WI!Ksev6f )Fe)35$DEf33w6OWGYv9H++4DWtwpt xf vZn6O&75ckKHGMiOqoea2Pd- s-WS%wnGKAAN4xp+1W#G)e8eZ+UM-c1Q9- KGu#- WkUGu1G8ql5ub3Xkr TKCZmuK0C+wYloYG6Lb5zw5XmD0u!nFQlX5E+f7$ZMr FtawAW+DBGDmLcQk2mMZoNXOb9xFaxok%8MeBkV+T4)h8vzOad(jf ppBI83PANXd9XJM(ma(k! ylJPa) iZ0st 5r mI CsBWBZSXjxt IyrG2Jh