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2017年中考化学试题分项版解析汇编(?1?专题10.1 常见的酸和碱(含解?(1) - 百度文库

Դû ʱ䣺2025/7/11 14:56:31 loading ƪĵֻ
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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

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ԹУμʣݣ˵̼ƣʲȷ 212017ĴʡɶС10 ֣ᡢdz

1Һӷ

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2ϡҺе̪ҺϡȫкʱҺ ɫ仯

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3ݻѧʽ㣬 HCl7.3g ϡкƵΪ٣

𰸡1Hռƣ 2ҺɺɫΪɫɫ壨NaclҺᾧ

+

38g

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ڽϴӱȡѸټΪ50%NaOHҺ5mLתƿ, Ȼûָ£Һ

۰ͼʵװáȡ50mL ҺװB׶ƿУرտK򿪷Һ©Ļ׶ƿעϡᣬٲݣرջ

ܴ򿪿K,װй˿,һʱ󣬽CװеʹˣϴӣɳΪ0.394g ϣCO2Ba(OH)2ӦBaCO3ڼʯCaONaOHĹʵиҺܶȶΪlg/mLʵ} 1ʵУCװе_________

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x44 = x= 0.088g 0.394g1970.088g=1.76g/L

0.05L50mL=0.05LƷ̼CO2ĺΪ

24.2017ɽʡСʳһ㺬35Ĵᣬֽ(CH3COOH)ɫд̼ζҺ壬ˮ

1ʳ׿ԳȥˮڵˮˮҪɷ֮һ̼ơˮʱˮмˮ

ʳףһʱ䣬̼ƻתɿԵĿƶѧʽΪCaCO3+2CH3COOH=Ca(CH3COO)2+H2O+CO2

2ڰƹͷʱмʳףΪͷквˮƣ

ӦɿԵƣܹڵĺٽԸơ׵պá 3ʳײڳд֣һɱﰾʳ׿ɱϸԤпкܴá

4ƹ˿ʳơΪҴӦ( CH3COOC 2H5ˮ

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5ýûӦȽƷʢʳףⱻʴ

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𰸡aлbɫд̼ζҺ壨ˮcܸҴӦ

ˮӶﵽƵĿġdֽ(e)Ӧױ ʣ𰸺ɵ÷֣

252017ɽʡ̩С7)ijȤС̽ŨĻѧʱŨμӵȻƹ

Сĵļȣݼζͬʱа˽⵽ŨȻڼʱᷢӦд÷ӦĻѧʽ: _______ȤСԲȻ(HC1)ǷԽ̽

2017年中考化学试题分项版解析汇编(?1?专题10.1 常见的酸和碱(含解?(1) - 百度文库.doc ĵWordĵصԣ㸴ơ༭ղغʹӡ
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