ÌâÄ¿ÄÚÈÝ
ÒÑÖªKsp(AgCl)=1.8¡Á10-10£¬Ksp(AgI)=1.0¡Á10-16¡£ÏÂÁйØÓÚÄÑÈÜÎïÖ®¼äת»¯µÄ˵·¨ÖдíÎóµÄÊÇ( )
A£®AgCl²»ÈÜÓÚË®£¬²»ÄÜת»¯ÎªAgI |
B£®Á½ÖÖÄÑÈÜÎïµÄKspÏà²îÔ½´ó£¬ÄÑÈÜÎï¾ÍÔ½ÈÝÒ×ת»¯Îª¸üÄÑÈܵÄÎïÖÊ |
C£®AgI±ÈAgCl¸üÄÑÈÜÓÚË®£¬ËùÒÔAgCl¿ÉÒÔת»¯ÎªAgI |
D£®³£ÎÂÏ£¬AgClÈôÒªÔÚNaIÈÜÒºÖпªÊ¼×ª»¯ÎªAgI£¬ÔòNaIµÄŨ¶È±ØÐë²»µÍÓÚ |
A
½âÎö
³£ÎÂÏ£¬ÏÂÁÐÓйش×ËáÈÜÒºµÄÐðÊöÖв»ÕýÈ·µÄÊÇ(¡¡¡¡)
A£®pH£½5.6µÄCH3COOHÓëCH3COONa»ìºÏÈÜÒºÖУºc(Na£«)£¼c(CH3COO£) |
B£®Å¨¶È¾ùΪ0.1 mol¡¤L£1µÄCH3COOHºÍCH3COONaÈÜÒºµÈÌå»ý»ìºÏºó£ºc(CH3COO£)£c(CH3COOH)£½2[c(H£«)£c(OH£)] |
C£®½«pH£½aµÄ´×ËáÏ¡ÊÍΪpH£½a£«1µÄ¹ý³ÌÖУ¬c(CH3COOH)/c(H£«)¼õС |
D£®µÈÌå»ýpH£½aµÄ´×ËáÓëpH£½bµÄNaOHÈÜҺǡºÃÖкÍʱ£¬a£«b£½14 |
³£ÎÂÏ£¬½«Ò»¶¨Å¨¶ÈµÄÑÎËáºÍ´×Ëá¼ÓˮϡÊÍ£¬ÈÜÒºµÄµ¼µçÄÜÁ¦ËæÈÜÒºÌå»ý±ä»¯µÄÇúÏßÈçͼËùʾ¡£ÅжÏÏÂÁÐ˵·¨ÖУ¬ÕýÈ·µÄÊÇ£¨ £©
A£®Á½ÈÜҺϡÊÍÇ°µÄŨ¶ÈÏàͬ |
B£®a¡¢b¡¢cÈýµãÈÜÒºµÄpHÓÉ´óµ½Ð¡Ë³ÐòΪa£¾b£¾c |
C£®aµãµÄKWÖµ±ÈbµãµÄKWÖµ´ó |
D£®aµãË®µçÀëµÄc(H£«)´óÓÚcµãË®µçÀëµÄc(H£«) |
ÈËÌåѪҺÀï´æÔÚÖØÒªµÄËá¼îƽºâ£º£¬Ê¹ÈËÌåѪҺpH±£³ÖÔÚ7.35¡«7.45£¬·ñÔò¾Í»á·¢ÉúËáÖж¾»ò¼îÖж¾¡£ÆäpHËæc(HCO3-)¡Ãc(H2CO3)±ä»¯¹ØϵÈçÏÂ±í£º
c(HCO3-)£ºc(H2CO3) | 1.0 | 17.8 | 20.0 | 22.4 |
pH | 6.10 | 7.35 | 7.40 | 7.45 |
ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ£¨ £©
A£®Õý³£ÈËÌåѪҺÖУ¬HCO3-µÄË®½â³Ì¶È´óÓÚµçÀë³Ì¶È
B£®ÈËÌåѪҺËáÖж¾Ê±£¬¿É×¢ÉäNaHCO3ÈÜÒº»º½â
C£®pH£½7.00µÄѪҺÖУ¬c(H2CO3)£¼c(HCO3-)
D£®pH£½7.40µÄѪҺÖУ¬HCO3-µÄË®½â³Ì¶ÈÒ»¶¨´óÓÚH2CO3µÄµçÀë³Ì¶È
ÒÑÖª25¡æʱ£¬CaSO4ÔÚË®ÖеijÁµíÈܽâƽºâÇúÏßÈçͼËùʾ£¬Ïò100 mL¸ÃÌõ¼þϵÄCaSO4±¥ºÍÈÜÒºÖмÓÈë400 mL 0.01 mol¡¤L£1Na2SO4ÈÜÒº£¬Õë¶Ô´Ë¹ý³ÌµÄÏÂÁÐÐðÊöÕýÈ·µÄÊÇ(¡¡¡¡)
A£®ÈÜÒºÖÐÎö³öCaSO4³Áµí£¬×îÖÕÈÜÒºÖÐc(SO42¡ª)½ÏÔÀ´µÄ´ó |
B£®ÈÜÒºÖÐÎÞ³ÁµíÎö³ö£¬ÈÜÒºÖÐc(Ca2£«)¡¢c(SO42¡ª)¶¼±äС |
C£®ÈÜÒºÖÐÎö³öCaSO4³Áµí£¬ÈÜÒºÖÐc(Ca2£«)¡¢c(SO42¡ª)¶¼±äС |
D£®ÈÜÒºÖÐÎÞ³ÁµíÎö³ö£¬µ«×îÖÕÈÜÒºÖÐc(SO42¡ª)½ÏÔÀ´µÄ´ó |
Ïò50 mL 0.018 mol¡¤L-1 AgNO3ÈÜÒºÖмÓÈë50 mL 0.02 mol¡¤L£1ÑÎËá¡£ÒÑÖªAgCl(s)µÄÈܶȻý³£ÊýKsp= 1¡Á10£10£¬»ìºÏºóÈÜÒºµÄÌå»ý±ä»¯ºöÂÔ²»¼Æ¡£ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ( )
A£®»ìºÏºó£¬ÈÜÒºÖп϶¨ÓгÁµíÉú³É |
B£®³ÁµíÉú³ÉºóÈÜÒºÖÐAg+µÄŨ¶ÈΪ10-5 mol¡¤L-1 |
C£®³ÁµíÉú³ÉºóÈÜÒºµÄpH£½2 |
D£®»ìºÏºó£¬Éý¸ßζȣ¬ÈÜÒºÖÐAg+µÄŨ¶ÈÔö´ó |
ÔÚ0.1 mol/LµÄ´×ËáÄÆÈÜÒºÖмÓÈëµÈÌå»ýµÄÏÂÁÐÎïÖÊ£¬ÈÜÒºÖÐÀë×ÓŨ¶È´óС¹ØϵÕýÈ·µÄÊÇ( )
A£®Ë®£»c(CH3COO-)£¾c(Na+)£¾c(OH-)£¾c(H+) |
B£®0.1 mol/LÑÎË᣻c(Na+)=c(Cl-)£¾c(H+)£¾c(CH3COO-)£¾c(OH-) |
C£®0.1 mol/L´×Ë᣻c(Na+)£¾c(CH3COO-)£¾c(H+)£¾c(OH-) |
D£®0.1 mol/LÇâÑõ»¯ÄÆ£»c(Na+)£¾c(CH3COO-)£¾c(OH-)£¾c(H+) |
¼×ËáµÄÏÂÁÐÐÔÖÊÖУ¬¿ÉÒÔÖ¤Ã÷ËüÊÇÈõµç½âÖʵÄÊÇ( )
A£®1 mol / L¼×ËáÈÜÒºµÄc(H+)="0.01" mol/L |
B£®¼×ËáÄÜÓëË®ÒÔÈκαÈÀý»¥ÈÜ |
C£®10 mL 1 mol/L¼×ËáÇ¡ºÃÓë10 mL 1 mol/L NaOHÈÜÒºÍêÈ«·´Ó¦ |
D£®¼×ËáÈÜÒºµÄµ¼µçÐÔ±ÈÑÎËáµÄÈõ |
25 ¡æʱ£¬Å¨¶È¾ùΪ0.1 mol¡¤L£1µÄHAÈÜÒººÍBOHÈÜÒº£¬pH·Ö±ðÊÇ1ºÍ11¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ(¡¡¡¡)
A£®ÔÚ0.1 mol¡¤L£1BAÈÜÒºÖУ¬c(A£)£«c(H£«)£½c(BOH)£«c(B£«) |
B£®Èô½«0.1 mol¡¤L£1 BOHÈÜҺϡÊÍÖÁ0.001 mol¡¤L£1ÔòÈÜÒºµÄpH£½9 |
C£®Èô½«Ò»¶¨Á¿µÄÉÏÊöÁ½ÈÜÒº»ìºÏºópH£½7£¬Ôò»ìºÏÒºÖУºc(A£)>c(B£«) |
D£®Èô½«ÉÏÊöÁ½ÈÜÒº°´Ìå»ý±È1¡Ã1»ìºÏ£¬Ôò»ìºÏÒºÖУºc(A£)>c(B£«)>c(H£«)>c(OH£) |