ÌâÄ¿ÄÚÈÝ
³£ÎÂÏÂCa(OH)2ÈÜÓÚË®´ïµ½±¥ºÍʱ´æÔÚÈçÏÂƽºâ£ºCa(OH)2(s)Ca2++2OH££¬±¥ºÍʯ»ÒË®µÄÃܶÈΪd g/cm3£¬ÈÜÒºpH£½12¡£ÏÂÁÐÓйØÐðÊöÖУ¬²»ÕýÈ·µÄÊÇ
A£®¼ÓÈÈÖÁ50¡æ£¬ÈÜÒºµÄCa2+µÄŨ¶ÈÔö´ó |
B£®¸ÃζÈÏÂCa(OH)2µÄÈܽâ¶ÈΪ(g/100gH2O) |
C£®¸Ã±¥ºÍʯ»ÒË®ÖУ¬Ë®µçÀë³öµÄOH£µÄŨ¶ÈΪ10£12mol/L |
D£®¼ÓÈëÉúʯ»Ò²¢»Ö¸´ÖÁ³£Îºó£¬Öµ²»±ä |
A
½âÎöÊÔÌâ·ÖÎö£ºA¡¢ÇâÑõ»¯¸ÆµÄÈܽâ¶ÈËæζȵÄÉý¸ß¶ø½µµÍ£¬Òò´Ë¼ÓÈÈÖÁ50¡æ£¬ÈÜÒºµÄCa2+µÄŨ¶È¼õС£¬A²»ÕýÈ·£»B¡¢ÈÜÒºµÄpH£½12£¬ÔòÈÜÒºÖÐÇâÑõ¸ùµÄŨ¶ÈÊÇ0.01mol/L£¬ËùÒÔÇâÑõ»¯¸ÆµÄŨ¶ÈÊÇ0.01mol¡Â2£½0.005mol/L¡£¼ÙÉèÈÜÒºÊÇ1L£¬ÔòÇâÑõ»¯¸ÆµÄÎïÖʵÄÁ¿ÊÇ0.005mol£¬ÖÊÁ¿ÊÇ0.37g£¬ÆäÖÐÈܼÁË®µÄÖÊÁ¿ÊÇ1000d£0.37g£¬ËùÒÔÇâÑõ»¯¸ÆµÄÈܽâ¶ÈÊÇS£½£¬BÕýÈ·£»C¡¢ÇâÑõ»¯¸ÆÊÇÇ¿¼îÒÖÖÆË®µÄµçÀ룬Ôò¸Ã±¥ºÍʯ»ÒË®ÖУ¬Ë®µçÀë³öµÄOH£µÄŨ¶È¾ÍÊÇÈÜÒºÖÐÇâÀë×ÓŨ¶ÈΪ10£12mol/L£¬CÕýÈ·£»D¡¢Î¶Ȳ»±ä£¬Àë×ÓµÄŨ¶È²»±ä£¬Òò´Ë±ÈÖµ²»±ä£¬DÕýÈ·£¬´ð°¸Ñ¡A¡£
¿¼µã£º¿¼²éÈܽâ¶È¡¢ÎïÖʵÄÁ¿Å¨¶È¡¢Ë®µÄµçÀëµÈÓйØÅжÏ
ÏÂÁÐËù¸øÁ£×Ó¼äµÄÊýÁ¿Âú×ã2£º1¹ØϵµÄÊÇ
A£®Ñõ»¯ÄÆÖеÄÑõÀë×ÓºÍÄÆÀë×Ó |
B£®¶þÑõ»¯¹èÖеĹèÔ×ÓºÍÑõÔ×Ó |
C£®¹ýÑõ»¯ÄÆÖеÄÄÆÀë×Ӻ͹ýÑõ¸ùÀë×Ó |
D£®Ì¼ËáÈÜÒºÖеÄÇâÀë×ÓºÍ̼Ëá¸ùÀë×Ó |
ÏÂÁбíʾÎïÖʽṹµÄ»¯Ñ§ÓÃÓï»òÄ£ÐÍÕýÈ·µÄÊÇ
A£®¶þÑõ»¯Ì¼µÄ½á¹¹Ê½£ºO=C=O |
B£®HFµÄµç×Óʽ£º |
C£®Cl£Àë×ӵĽṹʾÒâͼ£º |
D£®CH4·Ö×ÓµÄÇò¹÷Ä£ÐÍ£º |
ÏÂÁÐÓйػ¯Ñ§ÓÃÓïʹÓò»ÕýÈ·µÄÊÇ
A£®NH3·Ö×ӵĵç×Óʽ£º |
B£®N2µÄ½á¹¹Ê½£º N¡ÔN |
C£®OÔ×ӵĽṹʾÒâͼ£º |
D£®MgCl2 µÄµç×Óʽ£º |
ÏÂÁÐÈÜÒºÅäÖÆʵÑéµÄÃèÊöÍêÈ«ÕýÈ·µÄÊÇ
A£®ÔÚÈÝÁ¿Æ¿ÖÐÏȼÓÈëÒ»¶¨Ìå»ýµÄË®£¬ÔÙ¼ÓÈëŨÁòËáÅäÖÆ׼ȷŨ¶ÈµÄÏ¡ÁòËá |
B£®ÓÃŨÑÎËáÅäÖÆ£¨Ìå»ý±È1:1£©µÄÏ¡ÑÎËᣨԼ6mol.L-1£©Í¨³£ÐèÒªÓÃÈÝÁ¿Æ¿µÈÒÇÆ÷ |
C£®ÅäÖÆNH4Fe(SO4)2±ê×¼ÈÜҺʱ£¬¼ÓÈëÒ»¶¨Á¿H2SO4ÒÔ·ÀË®½â |
D£®ÓÃPH=1µÄÑÎËáÅäÖÆ100mL£¬PH=2µÄÑÎËáËùÐèÈ«²¿²£Á§ÒÇÆ÷ÓÐ100mLÈÝÁ¿Æ¿¡¢ÉÕ±¡¢²£Á§°ô¡¢½ºÍ·µÎ¹Ü |
ÏÂÁÐÓйػ¯Ñ§ÓÃÓï±íʾÕýÈ·µÄÊÇ
A£®±ûÏ©µÄ½á¹¹¼òʽ£ºC3H6 |
B£®ÇâÑõ¸ùÀë×ӵĵç×Óʽ£º[¡¤¡¤¡¤¡¤H]£ |
C£®ÂÈÔ×ӵĽṹʾÒâͼ£º |
D£®ÖÐ×ÓÊýΪ146¡¢ÖÊ×ÓÊýΪ92µÄÓË(U)Ô×Ó£º92 U |
ÔÚ±ê×¼×´¿öÏ£¬½«V L AÆøÌ壨Ħ¶ûÖÊÁ¿ÎªM g¡¤mol£1£©ÈÜÓÚ0.1 LË®ÖУ¬ËùµÃÈÜÒºµÄÃܶÈΪ¦Ñ g¡¤cm£3£¬Ôò´ËÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶È£¨mol¡¤L£1£©Îª
A£® | B£® |
C£® | D£® |
ÓÃNA±íʾ°¢·ü¼ÓµÂÂÞ³£ÊýµÄÖµ¡£ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ
A£®25 ¡æʱ£¬pH£½12µÄBa(OH)2ÈÜÒºÖк¬ÓеÄOH£ÊýĿΪ0.02NA |
B£®ÊÒÎÂÏ£¬14.0 gÒÒÏ©ºÍ¶¡Ï©µÄ»ìºÏÆøÌåÖк¬ÓÐC¡ªH¼üÊýĿΪ2.0NA |
C£®1 L 0.5 mol¡¤L£1µÄ(NH4)2SO4ÈÜÒºÖк¬ÓеÄNHÊýĿΪNA |
D£®±ê×¼×´¿öÏ£¬22.4 L CCl4Öк¬Óй²Óõç×Ó¶ÔÊýĿΪ4.0NA |