ӷţ
2ԹCзӦĻѧʽΪ СͬѧѷӦDEԹ
еķҺһྻձУ۲쵽ݲаɫɡˣõɫɫҺ
Сͬѧ̽ɫҺеʳɷ֣
СͬѧóɫҺһHCl ⡿ɫҺʲô
롿NaClNaClCaCl2NaCl CaCl2Na2CO3NaClNa2CO3
СΪ һȷ ʵ顿
ʵ鲽 ȡҺԹУμ̼ Һ ȡҺԹУμ ݲ 𰸡1ҺΪɫ Fe
2+
ʵ ʵ 26HCl+Fe2O3=2FeCl3+3H2O ;Ϊɫ̼ƣ
ᣬǻӦ롿 ʵ顿 ᣨᣩ
ԹУμʣݣ˵̼ƣʲȷ 212017ĴʡɶС10 ֣ᡢdz
1Һӷ
Ƶ׳
дһ֣
2ϡҺе̪ҺϡȫкʱҺ ɫ仯
ȡкͺҺɣ
3ݻѧʽ㣬 HCl7.3g ϡкƵΪ٣
𰸡1Hռƣ 2ҺɺɫΪɫɫ壨NaclҺᾧ
+
38g
222017ɽʡСòպڰֽд֣ͼ
1һ______Ũϡ) ڰֽдֱڡ 2ۣͬ______ͬǵʲȫͬ 𰸡1Ũ 2ҺŨȣʵ
òպڰֽд֣1һŨڰֽдֱڡ2
ۣͬŨȲͬǵʲȫͬ
232017ɽʡ̩С6)ijͬѧʵ飬ⶨijƷ̼CO2ĺʵ鲽裺ٽ250mLƿװ̼Ϸڱ䶳һʱ䣨δ
ڽϴӱȡѸټΪ50%NaOHҺ5mLתƿ, Ȼûָ£Һ
۰ͼʵװáȡ50mL ҺװBƿУرտKҺ©Ļƿעϡᣬٲݣرջ
ܴK,װй˿,һʱCװеʹˣϴӣɳΪ0.394g ϣCO2Ba(OH)2ӦBaCO3ڼʯCaONaOHĹʵиҺܶȶΪlg/mLʵ} 1ʵУCװе_________
2װAзĻѧӦʽΪ_______װDĿ_______ 3䶳̼ϵĿ_______ 4ܹĿ_______
5ṩݼƷ̼CO2ĺΪ_______g/L(NaOHҺ
Բƣ
𰸡1ðݣҺǣ2CO2+2NaOH=Na2CO3+H2OֹеĶ̼Cװã
ʵ3ֹ̼ݳ4Ķ̼ȫCȫգ51.76.
x44 = x= 0.088g 0.394g1970.088g=1.76g/L
0.05L50mL=0.05LƷ̼CO2ĺΪ
24.2017ɽʡСʳһ㺬35Ĵᣬֽ(CH3COOH)ɫд̼ζҺ壬ˮ
1ʳԳȥˮڵˮˮҪɷ֮һ̼ơˮʱˮмˮ
ʳףһʱ䣬̼ƻתɿԵĿƶѧʽΪCaCO3+2CH3COOH=Ca(CH3COO)2+H2O+CO2
2ڰƹͷʱмʳףΪͷквˮƣ
ӦɿԵƣܹڵĺٽԸơպá 3ʳײڳд֣һɱﰾʳɱϸԤпкܴá
4ƹ˿ʳơΪҴӦ( CH3COOC 2H5ˮ
ӶﵽĿġ
5ýûӦȽƷʢʳףⱻʴ
ݣش⣺
(a)_____( л) (b)________δһ (c)ʳƵԭ________
(d)ʳ׳ˮ÷ӦڻӦе_________Ӧ (e)ʱһʳܸòԭ________
𰸡aлbɫд̼ζҺ壨ˮcܸҴӦ
ˮӶﵽƵĿġdֽ(e)Ӧױ ʣ𰸺ɵ÷֣
252017ɽʡ̩С7)ijȤС̽ŨĻѧʱŨμӵȻƹ
Сĵļȣݼζͬʱа˽ŨȻڼʱᷢӦд÷ӦĻѧʽ: _______ȤСԲȻ(HC1)ǷԽ̽