��ۻ�ѧ�߿��⼰��-旧版云顶国际yd222登录入口

ʱ�䣺2022-05-07 11:14:17 �߿�� ҫͷ��

��ƽ�

��ۻ�ѧ�߿��⼰��

��2014��ͨ�ߵ�ѧу��ȫ��ͳһ��ԣ��¿α��

��ۻ�ѧ�߿��⼰��

��ۺ��ի�ѧ��

��7��й��û�з��ѧ��ӧ��ǣ� ��

��a��û��̿ȥ��е��ζ

��b��ȼ�ˮ��ϲ��

��c��ý��ݹ��һ�ĺ��ˮ��

��d��ú��轺��۵�͸��с��ʳʒһ��ܷ��װ

��8��һ�ȴ��у� ��

��a��3�� b��4�� c��5�� d��6��

��9��з�ӧ�у��ӧ��ص��ǣ� ��

��a��ͨ��ȵ�cuo��ĩ b��̼ͨ��na2o2��ĩ

��c��fe2o3��ȷ�ӧ d��п��ͷ��cu(no3)2��һ

��10��ͼʾʵ��ȷ��ǣ� ��

��a��ȥ��һ�еĳ�� b��̼��ȷֽ�

��c��ȥco��е�co2�� d��ʊ��ʾʵ��

��11��һ��¶��£��һ��ũ�ȹ�ϵʽ��ȷ��ǣ� ��

��a��ph=5��h2s��һ�у�c(h )=c(hs-)=1��10-5mol?l-1

��b��ph=a�i�ˮ��һ��ϡ��10��ph=b��a=b 1

��c��ph=2��h2c2o4��һ��ph=12��naoh��һ��:c(na ) c(h )=c(oh-) c(hc2o4-)

��d��ph��ͬ�ģ�ch3coona��nahco3��naclo��һ��c(na ):��>��>��

��12��2013��3��ҹ��ѧ�ұ��ͼ��ʾ��ˮ��һ��ӵ��ϵ��ǣ� ��

��a��aϊ��ص��

��b��س�練ӧϊlimn2o4=li1-xmn2o4 xli

��c��ŵ�ʱ��a��﮵ļ��ϼ۷��仯

��d��ŵ�ʱ��һ��li ��b��aǩ��

��13��£��1mol��cuso4?5h2o(s)��ˮ��ʹ��һ�¶ƚ��ͣ��чӧϊ��h1��1mol��cuso4(s)��

��ˮ��ʹ��һ�¶��ߣ��чӧϊ��h��cuso?5ho��ȷֽ�ļ�ѧ��ʽϊ��cuso?5ho(s) =====24242

��cuso4(s) 5h2o(l)��чӧϊ��h3��ж��ȷ��ǣ� ��

��a��h2>��h3 b��h1<��h3 h3="��h2" h2="">��h3

��26��13�֣��ݻ�ϊ1.00l��у�ͨ��һ��n2o4��ӧn2o4(g)

��ɫ��

��2no2(g)��¶��ߣ��ش��⣺

��1��ӧ�ġ�h 0����ڡ��с�ڡ��100��ʱ��ϵ�и��ũ��ʱ��仯��ͼ��ʾ��0~60sʱ�σ��ӧ��v(n2o4)ϊmol?l-1?s-1��ӧ��ƽ�ⳣ��k1ϊ ��

��2��100��ʱ�ﵽƽ��󣬸ı䷴ӧ�¶�ϊt��c(n2o4)��0.0020mol?l-1?s-1��ƽ��ʽ��ͣ��10s�ִﵽƽ�⡣

��t 100�棨���ڡ��с�ڡ��ж�� ʽ��¶�t�ƿ�ӧ��ƽ�ⳣ��k2 ��

��3��¶�tʱ��ӧ��ƽ��󣬽��ӧ��ݻ��һ�룬ƽ�� ��ӧ��淴ӧ��ƶ��ж��

��27��15�֣�ǧ��仯��أ��豸��x��߷��ϵȡ��ش��⣺

��1��ǧ��̼��ͬ��Ԫ�أ��̼��4��ӳ㣬ǧ��ڱ��λ��ϊ ��ڣ�� 壺pbo2��ա�co2�� ǿ��

��2��pbo2��ũ��ṳ��ɻ��ɫ��壬��ӧ�ļ�ѧ��ʽϊ ��

��3��pbo2��pbo��һ��ӧ�ƶã��ӧ��ӷ��ʽϊ ��pbo2ҳ��ͨ��ʯīϊ�缫��pb(no3)2��cu(no3)2�ļ��һϊ��һ��ȡ��ĵ缫��ӧʽ ��۲쵽�� һ�в��cu(no3)2��ĵ缫��ӧʽ ��ҫȱ��

��4��pbo2�ڼ��ȹ��̷��ֽ��ʧ��ͼ��ʾ��֪ʧ

��ϵ�a��ϊ��ʒʧ��4.0%��ʒ��ʼ��-a��

��ʒ��ʼ��100% ��

��ĳ��壬��a��ʾϊpbox��mpbo2��npbo��ʽ��

��xֵ��m:nֵ

��28��15�֣�ĳс��cocl2��6h2o��⡢һ��ȼ�粒��ϊԭ�ϣ��ڻ��̿�߻��£��ϳ��˳ȼ�ɫ��x��ϊȷ��ɣ��ʵ�飺

��ٰ��ĳⶨ��ȷ��ȡw g x��ˮ�ܽ⣬ע��ͼ��ʾ��ƿ�у�ȼ��μ��10%naoh��һ��ͨ��ˮ��ʒ��һ�еi�ȫ��v1 mlc1 mol��l-1��һ��ա��ȡ�½��ƿ��c2 mol��l-1 naoh��׼��һ�ζ��ʣ��hcl��յ�ʱ��v2 ml naoh��һ��

��ȵĳⶨ��׼ȷ��ȡ��ʒx��һ��agno3��׼��һ�ζ��k2cro4��һϊָʾ��ש��ɫ��ʧϊ�յ㣨ag2cro4ϊש��ɫ��

��ش��⣺

��1��װ��а�ȫ�ܵ��ԭ��ǡ�

��2��naoh��׼��һ�ζ��ʣ��hclʱ��ӧʹ�� ʽ�ζ��ܣ��ʹ�õ�ָʾ��ϊ ��

��3��ʒ�а��ʽϊ ��

��4��ⶨ��ǰӧ�ö�װ�ý��լ��飬��բ��òⶨ�� (�ƫ�ߡ��ƫ�͡�)��

��5��ⶨ�ȵĺ��у�ʹ��ɫ�ζ��ܵ�ԭ�� ζ��յ�ʱ��һ��c(ag )=2.0��10-5 mol��l-1 ��c(cro42-)ϊmol��l-1 mol��֪��ksp(ag2cro4)= 1.12��10-12��

��(6)��ⶨ��ʒx��ܡ��ȵ��ʵ��֮��ϊ1:6:3��ܵļ��ϼ�ϊ��ʊ�x�ļ�ѧ��ʽϊ ��x��ʊ��¶ȳ��ܹ��ߵ�ԭ��

��36��[��ѧѡ�ޡ��2��ѧ�뼼��]��15�֣�

��ˮ��ũ��ˮ��դ��ۺ��ú�ˮ��ҫ;��֮һ��һ��ƚ��ˮ��õ�ˮ��ٴ�ʣ��ũ��ˮ��ͨ��һϵ�й��ȡ��ʒ��ش��⣺

��1��иľ��ż��ˮ�ۺ��ù��յ��е�� ţ��

��û��ȡ��ˮ ��߲��ֲ�ʒ��

��ż��ȡ��ʒ��ʒ�� ܸľ��أ��壮þ��ȡ��

��2��á��ũ��ˮ�д��br2��ô��ա��ҫ��ӧ�ǣ�br2 na2co3 h2o

��3 6nahco3��1mol br2ʱת�ƶĵ��ϊ mol��

��3��ˮ��þ��һ�ι��ͼ��

��ũ��ˮ��ҫ�ɷ��£�

��ʒ2�ļ�ѧʽϊ ��1lũ��ˮ��ɵõ��ʒ2��ϊ g��

��4��ʯī��ڵ��ȼ�þ��ӧ�ļ�ѧ��ʽϊ ��ʱ��ˮ��ڻ��ɲ�ʒþ��ģ�д��йط�ӧ�ļ�ѧ��ʽ

��37��[��ѧ��ѡ��3��ʽṹ��]

��ڱ�ǰ��ڵ�Ԫ��a��b��c��d��e��ԭ��a�ĺ��ͬ��b�ļ۵��ӳ��е�δ�ɶե��3��c��ϊ��ڲ��3��d��cͬ�壻e��ֻ��1��ӣ��18��ӡ��ش��⣺

��1��b��c��d�е�һ�� Ԫ�ط��ţ��e�ļ۲��ӹ��ʾ��ͼϊ ��

��2��a��Ԫ��γɵķ�Ԫ��ۻ��у��ӳ��׶�σ��÷��ӵ��ԭ�ӵ��ӻ��ʽϊ ��мⱥ��м��թ��ۼ��ֺ��зǽ��թ��ۼ��ļ�� ѧʽ��д��֣��

��3��щԪ��γɵĺ��у��ӵ��ԭ�ӵļ۲��ӷ��ϊ3�� ׶�ṹ�� ѧʽ��

��4��e��c�γɵ�һ��ӻ��ľ��ṹ��ͼ1��e��ӵĵ��ϊ ��

��5��5��Ԫ��γɵ�һ��1:1��ӻ��у��ӳ��ṹ��y��i��ṹ��ͼ2��ʾ��

��ͼ1 ͼ2

��û��ϊ ��д��ڵļ�ѧ�� û��ʱ��ʧȥ�� ж��

��38��[��ѧ��ѡ��5��л��ѧ��]��15�֣� ��飨��и߶ȵķգ��ԡ��ԡ��ܼ��ȶ��ե��ص㣬��˺ϳ��鼰��ϊ��ѧ��ע��ȵ㡣��i��һ�ֺϳ�·�ߣ�

��ش��⣺

��1��c�ľṹ��ʽϊe�ľṹ��ʽϊ

��ķ�ӧ��ϊ ��2��۵ķ�ӧ��ϊ��3��a��ɻ��龭��ӧ�ϳɣ�

��ӧ1��լ��ϊ��ӧ2�ļ�ѧ��ʽϊ�� ӧ3��õ��լ�ϊ��

��4��i�ĺϳ�·��у��ϊͬ��칹��ļ�� ��ţ��

��5��i��ʯ�ҹ��ȿ�ת��ϊ��飬��ĺ˴ź��и��塣

��6��龭��ɵõ��飬��ܵľṹ��֡�

��ѧ��

��7��a 8��c 9��b 10��d 11��d 12��c 13��b

��26��13�֣�

��1�� 0.00100 0.36mol��l-1

��2��a�� ӧ��ȣ��ӧ��ȷ��у��¶�� b��k2= (0.16 mol��l-1)2/(0.020 mol��l-1) =1.3 mol��l-1

��(3) �淴ӧ ��ķ�ӧ��ѹǿƽ��淴ӧ��ƶ�

��27��15�֣�

��1�� a ��

�� pbcl cl�� 2ho ��2��pbo2 4hcl(ũ) =====222��3��pbo clo-= pbo2 cl- pb2 2h2o - 2e- = pbo2�� 4h ʯī�ϰ��ͭ�ʋ� pb2 2e- =pb�� ч��pb2

��4��x=2 - 239?4.0%m0.42=1.4 = = 16n0.63

��28��15�֣�

��1��ƿa�е�ѹ��ʱ��ȫ��е�һ��ʹaƿ�е�ѹ��ȶ��

��2�� ̪��׻��죩

��3��(c1v1-c2v2)��10-3��17 ��100% ��4��ƫ��

��5��ֹ��ֽ� 2.8��10-3

��6�� 3 2cocl2 nh4cl 10nh3 h2o2 = 2[co(nh3)6]cl3 2h2o �¶ȹ��߹��ֽ⣬��ݳ�

��36��[��ѧѡ�ޡ��2��ѧ�뼼��]��15�֣�

��1��ڢۢ� ��2��5 3

��£�3��ca2 so42-= caso4�� mg(oh)2 69.6

��(4)mgcl2��mg?cl2? mg?2h2o?h2?

��mg��oh��2

��37��[��ѧ��ѡ��3��ʽṹ��] ��15�֣�

��(1) n (2) sp3 h2o2 n2h4

��3��hno2 hno3 h2so3 ��4�� 1

��5��h2so4 ��ۼ��λ�� h2o h2o��cu2 ��λ��nh3��cu2 ��

��38��[��ѧ��

��ѡ��5��л��ѧ��]��15�֣�

��1��

��2��ȡ��ӧ ��ȥ��ӧ

��3��cl2/��

��4��g��h ��5��1 ��6��3 o2/cu

��

��ۻ�ѧ�߿��⼰�𰸡��£�

��߿��ѧ��⼰��02-27

11-24

08-19

�߿��ȫ��ii��⼰��05-11

04-22

05-11

�߿��۴��⼼��12ƪ12-06

12-07

��

���ۻ�ѧ�߿����⼰��-旧版云顶国际yd222登录入口

��ۻ�ѧ�߿��⼰��-旧版云顶国际yd222登录入口