1、4,Rfll itr:O- t44/t + +itzltT +if,tsitbqf+6*)t. T TIVJ ffi.A E Itr s 6* +, E EArfr , ffJ ftA. i?tDilM B. afi“+t ffi c. A*h2. T YtJ H FaS F H A E f, f.+ trt 1$ E! E3.T!4T,+NEHtrTffiEE$!EA. K,SOO B. CO(NHr), C. NHnH2POn D. Car(PO4)24. “ ffi + l*ft , /fi + m 6 “, +t,fit i ii a h#.t,fA6r-r rJ H F 5 D Ee
2、frJW. r$ * W.tE RZE, )* ry WJ ffiffiffitr-Ptr frq i&T“ i mE+,inABIffiW&:-i.-.-i frwL.E+wr +tfi|+ffi.w_: TilH # , 5EfiN E, E B! ffiI iruw,Etu :-lww F4 H E,iTE(frR.&.r+r(fi*W I +fuAilt Ba(Nos), 6i&B! E EtE(D tJtlD,H#iJ#W *m I + ! Ba ( Nos ) , WW&h BaClz l# & ,)tfrUt*&,&4&FEitrEEIEW B +#affJ= ftl#tr “
3、ltJlhft6AE_ ( r*“ + 19“ “ + 1g“ ) .(3) zjrffi E +i,t H ffi & s F ft ln Biffi I+ t&., Efi dt frtBa(NOs),HW,d,BESHffi& B HlWtr+AA NazCO: ftl NaOHffi Hh,ffi E 6 IEI H& B! x,H +iX, BE H Htr.i.+SE( xfi6.)t 1 td.i6,Jf 11 ,r)23. hTfirtJfrtftffi, iElL+XE-f -ffiAffi.W.+9fr“d *fr“ ,)*fr“ A * ftH *ft EzKP #M#t
4、tE+ tr frfr1t+fit . trU E H +&Wffi ( * fr t- )B f d(.tl, 6 h t- k f:t ) B! A E, + & 4L + X ilE zh 4E 6!H+ ifr.fr T rn T * & ( 7y- tu fu 4N, hll # L k* 4 nt ), 8. 2 5. 0 g ffi ffitfitB&.ffiffi F ,ln - frffi.fBtlffiB!ffi#m , Ffrltnffi*A.W.B! trt5 e nE ft, t W ffi.A. *.A tr W Ffr ,o 146.0 t#*-ff_fr&re( 1 ) i+H“arL ffi“ + ffi&.fi w ffi.e?ry.(2) fr+ E-fr.tr Hffi fr W& B! H E W ffi.E 4tWE *,)- t ( * X)rh &t|0.7%)feu$FeB*_ Fezor NazCOr /LAW#- fft*-&l*,T 6:T NazCOr)Ari.o. Com“E:I(,ffi*fi*-rka1+fr&/g8.8C+ /L4-4r.MI&ifllI#Eq ffisE(+6E) he&u68 H6E(rt6E)