ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿NaClO2ÊÇÒ»ÖÖÖØÒªµÄɱ¾úÏû¶¾¼Á£¬Ò²³£ÓÃÀ´Æ¯°×Ö¯ÎïµÈ£¬ÆäÒ»ÖÖÉú²ú¹¤ÒÕÈçÏ£¬»Ø´ðÏÂÁÐÎÊÌâ
£¨1£©NaClO2ÖÐClµÄ»¯ºÏ¼ÛΪ______________________.
£¨2£©Ð´³ö¡°·´Ó¦¡±²½ÖèÖÐÉú³ÉClO2µÄ»¯Ñ§·½³Ìʽ._______________________________¡£
£¨3£©¡°µç½â¡±ËùÓÃʳÑÎË®ÓÉ´ÖÑÎË®¾«Öƶø³É¡£´ÖÑξ«ÖÆʱ£¬Îª³ýÈ¥ÆäÖеÄMg 2+ºÍCa 2+£¬Òª¼ÓÈëµÄÊÔ¼Á·Ö±ðΪ_____________________¡¢______________________¡£
£¨4£©¡°Î²ÆøÎüÊÕ¡±ÊÇÎüÊÕ¡°µç½â¡±¹ý³ÌÅųöµÄÉÙÁ¿ClO2¡£´ËÎüÊÕ·´Ó¦ £¬Ñõ»¯¼ÁÓëÑõ»¯²úÎïµÄÖÊÁ¿Ö®±ÈΪ_________________£¬ÔÚ±ê¿öÏÂÉú³É44.8LO2ÔòתÒƵç×ÓµÄÎïÖʵÄÁ¿ÊÇ____.
£¨5£©Ë«ÑõË®ÊÇÖÐѧ³£¼ûµÄÂÌÉ«»¯Ñ§ÊÔ¼Á£¬¼È¿ÉÒÔ±íÏÖÑõ»¯ÐÔ£¬ÓÖ¿ÉÒÔ±íÏÖ»¹ÔÐÔ¡£ÏòË«ÑõË®ÖеμÓËáÐÔ¸ßÃÌËá¼ØÈÜÒº£¬²úÉúÆøÅÝ£¬×ϺìÉ«ÍÊÈ¥£¨ÒÑÖªMn2+ΪÎÞÉ«£©£¬¸ù¾ÝÏÖÏóд³öÀë×Ó·½³Ìʽ._____________________________¡£
¡¾´ð°¸¡¿+3 2NaClO3+SO2+H2SO4=2NaHSO4+2ClO2 NaOHÈÜÒº Na2CO3ÈÜÒº 2£º1 4mol
¡¾½âÎö¡¿
£¨1£©ÔÚNaClO2ÖÐNaΪ+1¼Û£¬OΪ-2¼Û£¬¸ù¾ÝÕý¸º»¯ºÏ¼ÛµÄ´úÊýºÍΪ0¼ÆËãµÃµ½£»
£¨2£©NaClO3ºÍSO2ÔÚH2SO4ËữÌõ¼þÏÂÉú³ÉClO2£¬ÆäÖÐNaClO2ÊÇÑõ»¯¼Á£¬»¹Ô²úÎïΪNaCl£¬»ØÊÕ²úÎïΪNaHSO4£¬ËµÃ÷Éú³ÉÁòËáÇâÄÆ£¬ÇÒ²úÉúClO2£¬¸ù¾Ýµç×ÓÊغãºÍÔ×ÓÊغãÅäƽÊéд»¯Ñ§·½³Ìʽ£»
£¨3£©Ê³ÑÎÈÜÒºÖлìÓÐMg2+ ºÍCa2+£¬¿ÉÒÔÀûÓùýÁ¿NaOHÈÜÒº³ýÈ¥Mg2+£¬ÀûÓùýÁ¿Na2CO3ÈÜÒº³ýÈ¥Ca2+£»
£¨4£©ÒÀ¾Ýͼʾ¿ÉÖª£¬ÀûÓú¬¹ýÑõ»¯ÇâµÄÇâÑõ»¯ÄÆÈÜÒºÎüÊÕClO2£¬²úÎïΪClO2-£¬Ôò´Ë·´Ó¦ÖÐClO2ΪÑõ»¯¼Á£¬»¹Ô²úÎïΪClO2-£¬»¯ºÏ¼Û´Ó+4¼Û½µÎª+3¼Û£¬H2O2Ϊ»¹Ô¼Á£¬Ñõ»¯²úÎïΪO2£¬Ã¿Ä¦¶ûH2O2µÃµ½2molµç×Ó£¬ÒÀ¾Ýµç×ÓÊغã¿ÉÖªÑõ»¯¼ÁºÍ»¹Ô¼ÁµÄÎïÖʵÄÁ¿Ö®±È£»
£¨5£©ÏòË«ÑõË®ÖеμÓËáÐÔ¸ßÃÌËá¼ØÈÜÒº£¬²úÉúÆøÅÝ£¬×ϺìÉ«ÍÊÈ¥£¨ÒÑÖªMn2+ΪÎÞÉ«£©£¬ËµÃ÷¸ßÃÍËá¼Ø±»»¹Ô³ÉÁËMn2+£¬ÔòË«ÑõË®±»Ñõ»¯£¬H2O2µÃÖÐHΪ+1¼Û£¬²»Äܱ»Ñõ»¯£¬¹ÊÑõ»¯²úÎïӦΪÑõÆø¡£
£º£¨1£©ÔÚNaClO2ÖÐNaΪ+1¼Û£¬OΪ-2¼Û£¬¸ù¾ÝÕý¸º»¯ºÏ¼ÛµÄ´úÊýºÍΪ0£¬¿ÉµÃClµÄ»¯ºÏ¼ÛΪ+3¼Û£¬
¹Ê´ð°¸Îª£º+3£»
£¨2£©NaClO3ºÍSO2ÔÚH2SO4ËữÌõ¼þÏÂÉú³ÉClO2£¬ÆäÖÐNaClO3ÊÇÑõ»¯¼Á£¬»¹Ô²úÎïΪClO2£¬»ØÊÕ²úÎïΪNaHSO4£¬ËµÃ÷Éú³ÉÁòËáÇâÄÆ£¬ÇÒ²úÉúClO2£¬¸ù¾Ýµç×ÓÊغã¿ÉÖª£¬´Ë·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º2NaClO3+SO2+H2SO4=2NaHSO4+2ClO2£¬
¹Ê´ð°¸Îª£º2NaClO3+SO2+H2SO4=2NaHSO4+2ClO2£»
£¨3£©Ê³ÑÎÈÜÒºÖлìÓÐMg2+ ºÍCa2+£¬¿ÉÒÔÀûÓùýÁ¿NaOHÈÜÒº³ýÈ¥Mg2+£¬ÀûÓùýÁ¿Na2CO3ÈÜÒº³ýÈ¥Ca2+£¬
¹Ê´ð°¸Îª£ºNaOHÈÜÒº£»Na2CO3ÈÜÒº£»
£¨4£©ÒÀ¾Ýͼʾ¿ÉÖª£¬ÀûÓú¬¹ýÑõ»¯ÇâµÄÇâÑõ»¯ÄÆÈÜÒºÎüÊÕClO2£¬²úÎïΪClO2-£¬Ôò´Ë·´Ó¦ÖÐClO2ΪÑõ»¯¼Á£¬»¹Ô²úÎïΪClO2-£¬»¯ºÏ¼Û´Ó+4¼Û½µÎª+3¼Û£¬H2O2Ϊ»¹Ô¼Á£¬Ñõ»¯²úÎïΪO2£¬Ã¿Ä¦¶ûH2O2µÃµ½2molµç×Ó£¬ÒÀ¾Ýµç×ÓÊغã¿ÉÖªÑõ»¯¼ÁºÍ»¹Ô¼ÁµÄÎïÖʵÄÁ¿Ö®±ÈΪ2£º1£»±ê¿öÏÂ44.8LO2µÄÎïÖʵÄÁ¿Îª2mol£¬¸ù¾ÝÇ°Êö·ÖÎö¿É֪תÒƵç×ÓÊýΪ4mol¡£
¹Ê´ð°¸Îª£º2£º1£»4mol£»
£¨5£©¸ù¾Ý·ÖÎö¿ÉÖª¸ßÃÌËá¼Ø±»»¹ÔÉú³ÉMn2+£¬Ë«ÑõË®±»Ñõ»¯Éú³ÉÑõÆø£¬¸ù¾Ýµç×ÓÊغãºÍÔªËØÊغã¿ÉÖªÀë×Ó·½³ÌʽΪ£º£»
¹Ê´ð°¸Îª£º¡£
¡¾ÌâÄ¿¡¿ÎªÈ·¶¨Na2CO3ºÍNaHCO3»ìºÏÎïÑùÆ·µÄ×é³É£¬³ÆÈ¡ËķݸÃÑùÆ·ÈÜÓÚË®ºó·Ö±ðÖðµÎ¼ÓÈëÏàͬŨ¶ÈÑÎËá30.0 mL£¬³ä·Ö·´Ó¦£¬²úÉúCO2µÄÌå»ý(ÒÑÕÛËã³É±ê×¼×´¿öϵÄÌå»ý£¬²»¿¼ÂÇCO2ÔÚË®ÖеÄÈܽâ)ÈçÏÂ±í£º
ʵÑéÐòºÅ | ¢ñ | ¢ò | ¢ó | ¢ô |
ÑÎËáÌå»ý(mL) | 30.0 | 30.0 | 30.0 | 30.0 |
ÑùÆ·ÖÊÁ¿(g) | 2.96 | 3.70 | 5.18 | 6.66 |
CO2Ìå»ý(mL) | 672 | 840 | 896 | 672 |
(1)ÑùÆ·ÖеÄÎïÖʵÄÁ¿Ö®±Èn(Na2CO3)¡Ãn(NaHCO3)£½________¡£
(2)ÑÎËáµÄÎïÖʵÄÁ¿Å¨¶Èc(HCl)£½________¡£
¡¾ÌâÄ¿¡¿Îª²â¶¨Ì¼ËáÄƺÍ̼ËáÇâÄÆ»ìºÏÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊý£¬¿Éͨ¹ý¼ÓÈÈ·Ö½âµÃµ½µÄÖÊÁ¿½øÐмÆËã.ijͬѧÉè¼ÆµÄʵÑé×°ÖÃʾÒâͼÈçÏ£º
Çë»Ø´ð£º
£¨1£©AÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ__________________________¡£
£¨2£©×°ÖÃBÖбùË®µÄ×÷ÓÃÊÇ_________________________¡£
£¨3£©¸ÃͬѧÉè¼ÆµÄʵÑé×°ÖôæÔÚȱÏÝ£¬¸Ä½øºó¸ÃʵÑé×°Öü°ÊµÑé¹ý³ÌÖУ¬ÏÂÁÐÒòËØ¿ÉÄÜʹ̼ËáÄƵÄÖÊÁ¿·ÖÊýÆ«¸ßµÄÊÇ________________£¨Ìî×Öĸ£©¡£
A£®ÑùÆ··Ö½â²»ÍêÈ«
B£®²úÉúµÄËÙÂÊÌ«¿ì£¬Ã»Óб»¼îʯ»ÒÍêÈ«ÎüÊÕ
C£®·´Ó¦ÍêÈ«ºóÍ£Ö¹¼ÓÈÈ£¬Í¨Èë¹ýÁ¿µÄ¿ÕÆø.
£¨4£©ÈôCÖеļîʯ»Ò¸ÄÓÃ×ãÁ¿¹ÌÌ壬ÇëÉè¼ÆʵÑé·½°¸¼ìÑé·´Ó¦ºóCÖйÌÌåµÄ³É·Ö___________¡£
£¨5£©¼ìÑéÑùÆ·ÖÐÊÇ·ñ»¹º¬ÓÐNaHCO3£¬ÇëÑ¡ÔñÏÂÁÐ×°ÖÃÉè¼ÆʵÑ飬²¢Íê³ÉÏÂ±í£º
Ñ¡ÔñµÄ×°ÖÃ(Ìî±àºÅ) | ʵÑéÏÖÏó | ʵÑé½áÂÛ |
¢Ù_______________________________ | ¢Ú_________________ | ÑùÆ·Öк¬NaHCO3 |