ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿NaClO2ÊÇÒ»ÖÐÖØÒªµÄɱ¾úÏû¶¾¼Á£¬Ò²³£ÓÃÀ´Æ¯°×Ö¯ÎïµÈ£¬ÆäÒ»ÖÖÉú²ú¹¤ÒÕÈçͼËùʾ¡£Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©NaClO2ÖÐClÔªËصĻ¯ºÏ¼ÛΪ_____________£»
£¨2£©Ð´³ö¡°·´Ó¦¡±²½ÖèÖÐÉú³ÉClO2µÄ»¯Ñ§·½³Ìʽ________________________¡£
£¨3£©¡°Î²ÆøÎüÊÕ¡±²½ÖèÖз¢ÉúµÄ·´Ó¦Îª2NaOH + H2O2 + 2ClO2 = 2NaClO2 + O2¡ü + 2H2O £¬ÆäÖÐÑõ»¯¼ÁÓ뻹ԼÁµÄÎïÖʵÄÁ¿Ö®±ÈΪ_________£»ÈôÓÐ3 mol µç×Ó·¢ÉúתÒÆ£¬ÔòÓÐ__________L£¨±ê×¼×´¿öÏ£©O2Éú³É¡£
£¨4£©¡°ÓÐЧÂȺ¬Á¿¡±¿ÉÓÃÀ´ºâÁ¿º¬ÂÈÏû¶¾¼ÁµÄÏû¶¾ÄÜÁ¦£¬ÊÇָÿ¿Ëº¬ÂÈÏû¶¾¼ÁµÄÑõ»¯ÄÜÁ¦Ï൱ÓÚ¶àÉÙ¿ËCl2µÄÑõ»¯ÄÜÁ¦¡£ÔòNaClO2µÄÓÐЧÂȺ¬Á¿Îª_____£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©¡£
¡¾´ð°¸¡¿+3 2NaClO3 + SO2 + H2SO4 = 2ClO2 + 2NaHSO4 2:1 33.6 1.57
¡¾½âÎö¡¿
ÓÉÁ÷³Ìͼ¿ÉÖª£¬NaClO3ºÍSO2ÔÚH2SO4ËữÌõ¼þÏÂÉú³ÉClO2ºÍNaHSO4£¬ÏòNaClÈÜÒºÖмÓÈëClO2£¬½øÐеç½âʱClO2ÔÚÒõ¼«µÃµç×ÓÉú³ÉClO2-£¬Cl-ÔÚÑô¼«Ê§µç×ÓÉú³ÉCl2£¬ÀûÓú¬ÓйýÑõ»¯ÇâµÄNaOHÈÜÒºÎüÊÕδ²ÎÓëµç½âµÄClO2ÆøÌ壬·´Ó¦Éú³ÉNaClO2¡¢O2ºÍH2O£¬NaClO2ÈÜÒº½á¾§¡¢¸ÉÔïµÃµ½NaClO2²úÆ·¡£
£¨1£©ÔÚNaClO2ÖÐNaΪ+1¼Û£¬OΪ-2¼Û£¬¸ù¾ÝÕý¸º»¯ºÏ¼ÛµÄ´úÊýºÍΪ0£¬¿ÉµÃClµÄ»¯ºÏ¼ÛΪ+3¼Û£¬¹Ê´ð°¸Îª£º+3£»
£¨2£©NaClO3ºÍSO2ÔÚH2SO4ËữÌõ¼þÏÂÉú³ÉClO2£¬ÆäÖÐNaClO2ÊÇÑõ»¯¼Á£¬»¹Ô²úÎïΪNaCl£¬¸ù¾ÝµÃʧµç×ÓÊغãºÍÔ×ÓÊغ㣬´Ë·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ2NaClO3+SO2+H2SO4=2ClO2+2NaHSO4£¬¹Ê´ð°¸Îª£º2NaClO3+SO2+H2SO4=2ClO2+2NaHSO4£»
£¨3£©ÓÉ·´Ó¦·½³Ìʽ¿ÉÖªÉú³É1molÑõÆø£¬·´Ó¦ÖÐתÒÆ2molµç×Ó£¬Ñõ»¯¼ÁºÍ»¹Ô¼ÁµÄÎïÖʵÄÁ¿Ö®±ÈΪ2:1£¬ÔòÈôÓÐ3 mol µç×Ó·¢ÉúתÒÆ£¬·´Ó¦Éú³ÉÑõÆøµÄÎïÖʵÄÁ¿Îª1.5mol£¬Ìå»ýΪ1.5mol¡Á22.4L/mol=33.6L£¬¹Ê´ð°¸Îª£º2:1£»33.6£»
£¨4£©Ã¿¿ËNaClO2µÄÎïÖʵÄÁ¿n(NaClO2)==mol£¬»ñµÃµç×ÓµÄÎïÖʵÄÁ¿ÊÇn(e)Ϊmol¡Á4£¬1 mol Cl2»ñµÃµç×ÓµÄÎïÖʵÄÁ¿ÊÇ2 mol£¬¸ù¾Ýµç×ÓתÒÆÊýÄ¿ÏàµÈ£¬¿ÉÖªÆäÏà¶ÔÓÚÂÈÆøµÄÎïÖʵÄÁ¿Îªmol¡Á4¡Á=mol£¬ÔòÂÈÆøµÄÖÊÁ¿Îªmol¡Á71 g/mol=1.57 g£¬NaClO2µÄÓÐЧÂȺ¬Á¿Îª1.57£¬¹Ê´ð°¸Îª£º1.57¡£
¡¾ÌâÄ¿¡¿ïÈÓС°½ðÊôζ¾«¡±Ö®³Æ¡£ÒÔÌìÇàʯ£¨Ö÷Òªº¬ÓÐSrSO4ºÍÉÙÁ¿CaCO3¡¢MgOÔÓÖÊ£©Éú²úÇâÑõ»¯ïȵŤÒÕÈçÏ£º
ÒÑÖªÇâÑõ»¯ïÈÔÚË®ÖеÄÈܽâ¶È£º
ζȣ¨¡æ£© | 0 | 10 | 20 | 30 | 40 | 60 | 80 | 90 | 100 |
Èܽâ¶È£¨g/100mL£© | 0.91 | 1.25 | 1.77 | 2.64 | 3.95 | 8.42 | 20.2 | 44.5 | 91.2 |
£¨1£©¸ô¾ø¿ÕÆø±ºÉÕʱSrSO4Ö»±»»¹Ô³ÉSrS£¬»¯Ñ§·½³ÌʽΪ____¡£
£¨2£©¡°³ýÔÓ¡±·½·¨£º½«ÈÜÒºÉýÎÂÖÁ95¡æ£¬¼ÓNaOHÈÜÒºµ÷½ÚpHΪ12¡£
¢Ù95¡æʱˮµÄÀë×Ó»ýKW£½1.0¡Á10£12£¬Ksp[Mg(OH)2]£½1.2¡Á10£10£¬ÔòÈÜÒºÖÐc£¨Mg2£«£©£½____¡£
¢ÚÈôpH¹ý´ó£¬½«µ¼ÖÂÇâÑõ»¯ïȵIJúÂʽµµÍ£¬Çë½âÊÍÔÒò____¡£
£¨3£©¡°³ÃÈȹýÂË¡±µÄÄ¿µÄÊÇ____£¬¡°ÂËÔü¡±µÄÖ÷Òª³É·ÖΪ___¡£
£¨4£©´Ó³ÃÈȹýÂ˺óµÄÂËÒºÖеõ½Sr(OH)2²úÆ·µÄ²½ÖèΪ____¡¢¹ýÂË¡¢Ï´µÓ¡¢¸ÉÔï¡£
£¨5£©¡°ÍÑÁò¡±·½·¨£ºÓÃFeCl3ÈÜÒºÎüÊÕËá½þ²úÉúµÄÆøÌ壬ÎüÊÕʱµÄÑõ»¯²úÎïΪ___£¨Ìѧʽ£©£»ÔÙÓÃʯīµç¼«µç½âÎüÊÕÒº£¬µç½âºó¿ÉÔÚ¡°ÍÑÁò¡±ÖÐÑ»·ÀûÓõÄÎïÖÊÊÇ__¡£
¡¾ÌâÄ¿¡¿Í¨³£ÈËÃǰѲð¿ª1 molij»¯Ñ§¼üËùÎüÊÕµÄÄÜÁ¿¿´³É¸Ã»¯Ñ§¼üµÄ¼üÄÜ£®¼üÄܵĴóС¿ÉÓÃÓÚ¹ÀË㻯ѧ·´Ó¦µÄ·´Ó¦ÈÈ(¦¤H)£¬»¯Ñ§·´Ó¦µÄ¦¤HµÈÓÚ·´Ó¦ÖжÏÁѾɻ¯Ñ§¼üµÄ¼üÄÜÖ®ºÍÓë·´Ó¦ÖÐÐγÉл¯Ñ§¼üµÄ¼üÄÜÖ®ºÍµÄ²î.
»¯Ñ§¼ü | H¡ªH | Cl¡ªCl | H¡ªCl |
Éú³É1 mol»¯Ñ§¼üʱ·Å³öµÄÄÜÁ¿ | 436 kJ/mol | 243 kJ/mol | 431 kJ/mol |
ÔòÏÂÁÐÈÈ»¯Ñ§·½³Ìʽ²»ÕýÈ·µÄÊÇ (¡¡¡¡)
A.1/2H2(g)£«1/2Cl2(g)===HCl(g)¦¤H£½£91.5 kJ/mol
B.H2(g)£«Cl2(g)===2HCl(g)¡¡¦¤H£½£183 kJ/mol
C.2HCl(g)===H2(g)£«Cl2(g)¡¡¦¤H£½£«183 kJ/mol
D.1/2H2(g)£«1/2Cl2(g)===HCl(g)¦¤H£½£«91.5 kJ/mol