пѧרѵѧʽļ״ѣۺϲԸ
һлѧûѧʽѡ
1һܱзWGHPʣһ·ѧӦһʱй±ڴ˷Ӧʶȷǣ Ӧǰ/g Ӧ/g W 18 G 1 26 H 2 2 P 32 12 AHһǸ÷ӦĴ B÷ӦһǻϷӦ
CڷӦУGPΪ54 DֵΪ13
2ͼΪijѧӦʾͼڸ÷Ӧ˵
AμӷӦʷӸΪ1:1 B÷ӦΪûӦ CΪ7:22
DӦΪҸ÷Ӧѭغ㶨
3غ㶨ǰѧϰʶѧӦʵʵҪۣڻѧӦaA+bBTcC+dDУ˵ȷ Aѧab֮һcd֮ BACΣ÷ӦһǸֽⷴӦ CӦABһCD DȡxgAxgBӦCDܺͲһ2xg
4һпеμϡͼʾӦijʵmı仯ϵmܱʾ
AҺ CZnCl2
Bп۵ DH2
5ͼijӦʾͼ˵ȷǣ
AӦе B÷ӦΪûӦ CķӸΪ11 DμӷӦ
Ϊ1724
6XĻѧʽΪH2C2O4 ɷ·ӦaH2C2O4 bH2O+cCO2+dYȡ
45g Xtȫֽ⣬ͨŨᣬŨ9gȡ45gXtȫֽ⣬ͨʯңCaONaOHĹʯ31g˵ǣ֪YŨʯҷӦ ACO2Ϊ22g Cѧʽbc=11
BYΪ14g DYΪ
7ƫ£C2H8N2N2O4ӦܷųѧʽΪC2H8N2+2N2O4T2X+3N2+4H2O˵ȷǣ A÷ӦڻϷӦ BXĻѧʽΪCO
Cƫе DN2H2O141
8ڵȼ£ABӦCDӦǰӱ仯ʾͼͼʾжϲȷ( )
A÷Ӧֻ
B÷ӦУμӷӦABӵĸΪ43 CCĻѧʲã Dڸ÷ӦУCDΪ149
9ȡNaClNaOHNa2CO328.6gձУмϡַӦɶ̼4.4gҺɣˮ33.4gԭȻΪ A8.4g
B10.0g
C11.7g
D13.6g
10ڻѧӦA+B2=AB2УAB2Ӧϵͼʾֽ8gA5gB2ַӦAB2ǣ
A10g B13g C16g D18g
11ͼijӦʾͼ˵ȷǣ
A
CӦ1:1
BûѧӦڷֽⷴӦ D
12ABCʣӦ2A+BT2C16gABַӦõ20gCABCʵԷ֮Ϊ A815
B415
C825
D425
13ڽлƣβȾõơͼβӦ۹̣й˵ȷǣ
AӦǰӵࡢĿ˱仯 BӦ֮711 CӦĻѧʽΪ CO+NO?N2+CO2
Dӿ췴Ӧʣ
14ֺ֮ͬˮγԷᣬH3PO4γH4P2O7H5P3O10ȡʲ(H2SO4)ˮγɵ AH2S2O7
BH2S2O8
CH2S3O10
DH2S4O13
15ijӦǰӱ仯ʾͼ¡˵
A÷ӦǰԭӸ B÷ӦǰӸ
中考化学专项训练:化学方程式的计算易错(?综合测试附答?- 百度文库
![](/skin/haowen/images/icon_star.png)
![](/skin/haowen/images/icon_star.png)
![](/skin/haowen/images/icon_star.png)
![](/skin/haowen/images/icon_star.png)