ÌâÄ¿ÄÚÈÝ
¶þÑõ»¯Áò£¨SO2£©µÄº¬Á¿ÊÇ¿ÕÆøÖÊÁ¿¼à²âµÄÖ¸±êÖ®Ò»£®ÇëÄã²ÎÓëÐËȤС×é¶Ô¶þÑõ»¯Áò²¿·ÖÐÔÖʵÄʵÑé̽¾¿£®£¨1£©ÈôÓêË®µÄpHСÓÚ5.6£¬±íÃ÷¿ÕÆøÊܵ½ÎÛȾ£®ÎªÁ˲ⶨ¶þÑõ»¯ÁòË®ÈÜÒºµÄpH£¬Ð¡Ã÷ͬѧÏòÒ»¸ö¼¯Âú¶þÑõ»¯ÁòÆøÌåµÄÖʵؽÏÈíµÄËÜÁÏÆ¿ÖмÓÈëÊÊÁ¿µÄË®£¬Á¢¼´Ðý½ôÆ¿¸Ç£¬Õñµ´£¬Ê¹¶þÑõ»¯Áò³ä·ÖÈܽ⣨¶þÑõ»¯ÁòÄÜÓëË®·´Ó¦ÐγÉÑÇÁòËᣩ£¬´ò¿ªÆ¿Èû£¬²â¶¨Æ¿ÖжþÑõ»¯ÁòË®ÈÜÒºpHµÄʵÑé²Ù×÷ÊÇ______£®
£¨2£©ÎªÁË̽¾¿¶þÑõ»¯ÁòÄÜ·ñÓëÇâÑõ»¯ÄÆ·´Ó¦£¬Ð¡ÄþͬѧÓÃÓÒͼËùʾװÖýøÐÐʵÑ飬·¢ÏÖÊÔ¹ÜÄÚÒºÃæÉÏÉý£®Ð¡ÄþͬѧÓɴ˵õ½½áÂÛ£º¶þÑõ»¯ÁòÄÜÓëÇâÑõ»¯ÄÆ·´Ó¦£®ÄãÈÏΪСÄþͬѧÓÉÉÏÊöʵÑéµÃ³öµÄ½áÂÛÊÇ·ñºÏÀí£¿______ £¨Ìî¡°ÊÇ¡±»ò¡°·ñ¡±£©£¬ÀíÓÉÊÇ______£®
£¨3£©ÐËȤС×éͬѧȡ¸Õ½µµ½Èȵ糧¸½½üµÄÓêË®½øÐвⶨ£¬Ã¿¸ôÎå·ÖÖÓ²âÒ»´ÎpH£¬ÆäÊý¾ÝÈçϱíËùʾ£º
²â¶¨Ê±¿Ì | 5£º05 | 5£º10 | 5£º15 | 5£º20 | 5£º25 | 5£º30 | 5£º35 |
pH | 4.95 | 4.94 | 4.94 | 4.88 | 4.86 | 4.85 | 4.85 |
¡¾´ð°¸¡¿·ÖÎö£º±¾ÌâÖ÷ÒªÊÇPHÖµÓëÈÜÒºËá¼îÐÔÖ®¼äµÄ¹ØϵµÄ֪ʶµã£¬PHÖµµÄ¼òµ¥²â¶¨¡¢¶þÑõ»¯ÁòµÄ»¯Ñ§ÐÔÖÊ£®
½â´ð£º½â£º
£¨1£©¿¼²éÁËPHÖµµÄ¼òµ¥²â¶¨·½·¨ÓÃpHÊÔÖ½½øÐвⶨ
¹Ê´ð°¸£ºÔÚ°×´É°å»ò²£Á§Æ¬ÉÏ·ÅһСƬpHÊÔÖ½£¬½«¶þÑõ»¯ÁòË®ÈÜÒºµÎµ½ÊÔÖ½ÉÏ£¬°ÑÊÔÖ½ÏÔʾµÄÑÕÉ«Óë±ê×¼±ÈÉ«¿¨±È½Ï
£¨2£©Í¨¹ýÌâ¸É¿ÉÒÔÖªµÀ¶þÑõ»¯ÁòÒ×ÈÜÓÚË®µÄ£¬°Ñ¶þÑõ»¯ÁòͨÈëµ½ÇâÑõ»¯ÄÆÈÜÒºÀïÃæ»áÓÐÁ½ÖÖÇé¿öÒ»ÊÇÓëÇâÑõ»¯ÄÆ·´Ó¦¶þÊÇÈÜÓÚË®Öж¼»áµ¼ÖÂѹǿ±äС£¬ÊÔ¹ÜÄÚÒºÃæÉÏÉý
¹Ê´ð°¸£º·ñ£»¶þÑõ»¯ÁòÄÜÈÜÓÚË®
£¨3£©¿´Êý¾Ý±í¿É֪ʱ¼äÍƳ¤£¬ÓêË®µÄpHÖµ±äСµÄ£¬ËµÃ÷ËáÐÔÔöÇ¿£»Ôì³ÉÕâÒ»ÏÖÏóµÄÔÒò¾ÍÊǵ糧ÐèҪȼÉÕ´óÁ¿µÄú£¬ÖÜΧ¾ÍÓдóÁ¿µÄ¶þÑõ»¯ÁòÆøÌ壬Óöµ½ÓêË®»áÈÜÐγÉËᣮ
¹Ê´ð°¸£ºËæ×Åʱ¼äµÄ±ä»¯£¬ÓêË®ËáÐÔÖð½¥ÔöÇ¿
ÑÇÁòËá¿ÉÄÜÓë¿ÕÆøÖеÄÑõÆø·´Ó¦Éú³ÉÁËÁòËá
ÁòË᣻ÑÇÁòË᣻̼Ëá
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÁËpHÖµÓëËá¼îÐԵĹØϵ£¬ÅжÏÎÊÌâµÄʱºòҪעÒâÑÏÃÜÍÆÀíÈçµÚ¶þÎÊ£®
½â´ð£º½â£º
£¨1£©¿¼²éÁËPHÖµµÄ¼òµ¥²â¶¨·½·¨ÓÃpHÊÔÖ½½øÐвⶨ
¹Ê´ð°¸£ºÔÚ°×´É°å»ò²£Á§Æ¬ÉÏ·ÅһСƬpHÊÔÖ½£¬½«¶þÑõ»¯ÁòË®ÈÜÒºµÎµ½ÊÔÖ½ÉÏ£¬°ÑÊÔÖ½ÏÔʾµÄÑÕÉ«Óë±ê×¼±ÈÉ«¿¨±È½Ï
£¨2£©Í¨¹ýÌâ¸É¿ÉÒÔÖªµÀ¶þÑõ»¯ÁòÒ×ÈÜÓÚË®µÄ£¬°Ñ¶þÑõ»¯ÁòͨÈëµ½ÇâÑõ»¯ÄÆÈÜÒºÀïÃæ»áÓÐÁ½ÖÖÇé¿öÒ»ÊÇÓëÇâÑõ»¯ÄÆ·´Ó¦¶þÊÇÈÜÓÚË®Öж¼»áµ¼ÖÂѹǿ±äС£¬ÊÔ¹ÜÄÚÒºÃæÉÏÉý
¹Ê´ð°¸£º·ñ£»¶þÑõ»¯ÁòÄÜÈÜÓÚË®
£¨3£©¿´Êý¾Ý±í¿É֪ʱ¼äÍƳ¤£¬ÓêË®µÄpHÖµ±äСµÄ£¬ËµÃ÷ËáÐÔÔöÇ¿£»Ôì³ÉÕâÒ»ÏÖÏóµÄÔÒò¾ÍÊǵ糧ÐèҪȼÉÕ´óÁ¿µÄú£¬ÖÜΧ¾ÍÓдóÁ¿µÄ¶þÑõ»¯ÁòÆøÌ壬Óöµ½ÓêË®»áÈÜÐγÉËᣮ
¹Ê´ð°¸£ºËæ×Åʱ¼äµÄ±ä»¯£¬ÓêË®ËáÐÔÖð½¥ÔöÇ¿
ÑÇÁòËá¿ÉÄÜÓë¿ÕÆøÖеÄÑõÆø·´Ó¦Éú³ÉÁËÁòËá
ÁòË᣻ÑÇÁòË᣻̼Ëá
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÁËpHÖµÓëËá¼îÐԵĹØϵ£¬ÅжÏÎÊÌâµÄʱºòҪעÒâÑÏÃÜÍÆÀíÈçµÚ¶þÎÊ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ËáÓêÊÇ´óÆøÎÛȾµÄΣº¦Ö®Ò»£¬¶þÑõ»¯Áò£¨SO2£©µÄº¬Á¿ÊÇ¿ÕÆøÖÊÁ¿¼à²âµÄÒ»¸öÖØÒªÖ¸±ê£®Ä³ÐËȤС×éͬѧÊÕ¼¯Ä³µØµÄÓêË®½øÐÐʵÑ飮
¡¾Ïà¹ØÐÅÏ¢¡¿¢Ùÿ¸ô1h£¬Í¨¹ýpH¼Æ²â¶¨ÓêË®ÑùÆ·µÄpH£¬²âµÃµÄ½á¹ûÈçÏÂ±í£º
¢ÚSO2ÄÜʹƷºìÈÜÒºÍÊÉ«£»
¢ÛpH£¼5.6µÄÓêˮΪËáÓꣻ
¢Üº£Ë®³ÊÈõ¼îÐÔ£»
¢ÝBaSO3²»ÈÜÓÚË®£¬ÄÜÓëÑÎËá·´Ó¦£»BaSO4²»ÈÜÓÚË®£¬Ò²²»ÈÜÓÚÑÎËᣮ
¡¾·ÖÎöÌÖÂÛ¡¿¢ÙÕý³£ÓêË®µÄpH·¶Î§ÊÇ£º7£¾pH£¾5.6£¬Æ«ËáÐÔ£¬ÕâÊÇÒòΪ £®
¢ÚËáÓêÄܸ¯Ê´½ðÊôÖÆÆ·£¬´Ó»ù±¾·´Ó¦ÀàÐÍÉÏ¿´Ö÷Òª·´Ó¦ÊôÓÚ £®
¢ÛÊÕ¼¯µÄËáÓêÑùÆ··ÅÖÃÒ»¶Îʱ¼äºópH¼õС£¬ÔÒòÊÇSO2ÓëË®·´Ó¦Éú³ÉµÄH2SO3±»Ñõ»¯ÎªH2SO4£®ÊÔд³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ £®
¡¾Ìá³ö²ÂÏ롿ͬѧÃǶԸÕÊÕ¼¯µ½µÄËáÓêÑùÆ·ÖеÄÈÜÖʽøÐвÂÏ룺
²ÂÏë¢ñ£ºËáÓêÖÐÈÜÖÊÖ»º¬ÓÐH2SO3£»
²ÂÏë¢ò£ºËáÓêÖÐÈÜÖÊÖ»º¬ÓÐH2SO4£»
²ÂÏë¢ó£ºËáÓêÖÐÈÜÖÊ £®
¡¾ÊµÑé̽¾¿¡¿
£¨1£©Ïò¸ÕÊÕ¼¯µÄËáÓêÑùÆ·ÖеμӹýÁ¿Ba£¨OH£©2ÈÜÒº£¬Óа×É«³ÁµíÉú³É£¬¹ýÂË£®
¢ÙÔÚÂËÒºÖÐµÎ¼Ó ÈÜÒº£¬ÈÜÒº³Ê É«£®Ö¤Ã÷ÔÚËáÓêÑùÆ·ÖеμӵÄBa£¨OH£©2ÈÜÒºÒѹýÁ¿£®
¢ÚÏò³ÁµíÖмÓÈë×ãÁ¿ÑÎËᣬ³Áµí²¿·ÖÈܽâÇҷųöÓд̼¤ÐÔÆøζÆøÌ壮¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ £¬¸ù´ËÏÖÏóÓйØËáÓêÖÐÈÜÖʵIJÂÏë ÕýÈ·£®
£¨2£©Ä³Í¬Ñ§È¡ËáÓêÑùÆ·V L£¬¼ÓÈë17.1%µÄBa£¨OH£©2ÈÜÒºÖÁ²»ÔÙ²úÉú³Áµíʱ£¬Ç¡ºÃÏûºÄ10.00g Ba£¨OH£©2ÈÜÒº£®¸ÃV LËáÓêÑùÆ·ÖÐÈܽâSO2µÄÖÊÁ¿Îª £®
ʵÑ鷴˼£ºÔÚijЩËáÓêÖл¹¿É·ÖÎö³öÓÐÏõËá´æÔÚ£¬ÕâÊÇÓÉÓÚ¿ÕÆøÖк¬ÓÐijԪËØ+4¼ÛÑõ»¯ÎïµÄÔÒò£¬ÕâÖÖÑõ»¯ÎïµÄ»¯Ñ§Ê½Îª £®
ÍØÕ¹ÑÓÉ죺ÀûÓú£Ë®ÍÑÁòÊǼõÉÙSO2ÅŷŵÄÓÐЧ·½·¨£¬Æ乤ÒÕÁ÷³ÌÈçÏÂͼËùʾ£º
ÌìÈ»º£Ë®ÎüÊÕÁ˽϶àµÄº¬ÁòÑÌÆøºó£¬ÓÐH2SO3Éú³É£¬H2SO3Ó뺣ˮÖеÄÀë×Ó·´Ó¦£¬»áÊͷųöCO2£¬Í¨ÈëÑõÆøºóÑõ»¯ºó£¬º£Ë®µÄËáÐÔÏÔÖøÔöÇ¿£®
¢ÙÉè¼ÆÒ»ÖÖ¼ìÑé¾»»¯ºóµÄÑÌÆøÖÐÊÇ·ñº¬SO2µÄ¼òµ¥µÄʵÑé·½°¸£º £®
¢ÚÑõ»¯ºóµÄº£Ë®ÐèÒªÓôóÁ¿µÄÌìÈ»º£Ë®ÓëÖ®»ìºÏºó²ÅÄÜÅÅ·Å£¬¸Ã²Ù×÷µÄÖ÷ҪĿµÄÊÇ £®
¡¾Ïà¹ØÐÅÏ¢¡¿¢Ùÿ¸ô1h£¬Í¨¹ýpH¼Æ²â¶¨ÓêË®ÑùÆ·µÄpH£¬²âµÃµÄ½á¹ûÈçÏÂ±í£º
²â¶¨Ê±¼ä/h | 0 | 1 | 2 | 3 | 4 |
ÓêË®ÑùÆ·µÄpH | 4.73 | 4.62 | 4.56 | 4.55 | 4.55 |
¢ÛpH£¼5.6µÄÓêˮΪËáÓꣻ
¢Üº£Ë®³ÊÈõ¼îÐÔ£»
¢ÝBaSO3²»ÈÜÓÚË®£¬ÄÜÓëÑÎËá·´Ó¦£»BaSO4²»ÈÜÓÚË®£¬Ò²²»ÈÜÓÚÑÎËᣮ
¡¾·ÖÎöÌÖÂÛ¡¿¢ÙÕý³£ÓêË®µÄpH·¶Î§ÊÇ£º7£¾pH£¾5.6£¬Æ«ËáÐÔ£¬ÕâÊÇÒòΪ
¢ÚËáÓêÄܸ¯Ê´½ðÊôÖÆÆ·£¬´Ó»ù±¾·´Ó¦ÀàÐÍÉÏ¿´Ö÷Òª·´Ó¦ÊôÓÚ
¢ÛÊÕ¼¯µÄËáÓêÑùÆ··ÅÖÃÒ»¶Îʱ¼äºópH¼õС£¬ÔÒòÊÇSO2ÓëË®·´Ó¦Éú³ÉµÄH2SO3±»Ñõ»¯ÎªH2SO4£®ÊÔд³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ
¡¾Ìá³ö²ÂÏ롿ͬѧÃǶԸÕÊÕ¼¯µ½µÄËáÓêÑùÆ·ÖеÄÈÜÖʽøÐвÂÏ룺
²ÂÏë¢ñ£ºËáÓêÖÐÈÜÖÊÖ»º¬ÓÐH2SO3£»
²ÂÏë¢ò£ºËáÓêÖÐÈÜÖÊÖ»º¬ÓÐH2SO4£»
²ÂÏë¢ó£ºËáÓêÖÐÈÜÖÊ
¡¾ÊµÑé̽¾¿¡¿
£¨1£©Ïò¸ÕÊÕ¼¯µÄËáÓêÑùÆ·ÖеμӹýÁ¿Ba£¨OH£©2ÈÜÒº£¬Óа×É«³ÁµíÉú³É£¬¹ýÂË£®
¢ÙÔÚÂËÒºÖеμÓ
¢ÚÏò³ÁµíÖмÓÈë×ãÁ¿ÑÎËᣬ³Áµí²¿·ÖÈܽâÇҷųöÓд̼¤ÐÔÆøζÆøÌ壮¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
£¨2£©Ä³Í¬Ñ§È¡ËáÓêÑùÆ·V L£¬¼ÓÈë17.1%µÄBa£¨OH£©2ÈÜÒºÖÁ²»ÔÙ²úÉú³Áµíʱ£¬Ç¡ºÃÏûºÄ10.00g Ba£¨OH£©2ÈÜÒº£®¸ÃV LËáÓêÑùÆ·ÖÐÈܽâSO2µÄÖÊÁ¿Îª
ʵÑ鷴˼£ºÔÚijЩËáÓêÖл¹¿É·ÖÎö³öÓÐÏõËá´æÔÚ£¬ÕâÊÇÓÉÓÚ¿ÕÆøÖк¬ÓÐijԪËØ+4¼ÛÑõ»¯ÎïµÄÔÒò£¬ÕâÖÖÑõ»¯ÎïµÄ»¯Ñ§Ê½Îª
ÍØÕ¹ÑÓÉ죺ÀûÓú£Ë®ÍÑÁòÊǼõÉÙSO2ÅŷŵÄÓÐЧ·½·¨£¬Æ乤ÒÕÁ÷³ÌÈçÏÂͼËùʾ£º
ÌìÈ»º£Ë®ÎüÊÕÁ˽϶àµÄº¬ÁòÑÌÆøºó£¬ÓÐH2SO3Éú³É£¬H2SO3Ó뺣ˮÖеÄÀë×Ó·´Ó¦£¬»áÊͷųöCO2£¬Í¨ÈëÑõÆøºóÑõ»¯ºó£¬º£Ë®µÄËáÐÔÏÔÖøÔöÇ¿£®
¢ÙÉè¼ÆÒ»ÖÖ¼ìÑé¾»»¯ºóµÄÑÌÆøÖÐÊÇ·ñº¬SO2µÄ¼òµ¥µÄʵÑé·½°¸£º
¢ÚÑõ»¯ºóµÄº£Ë®ÐèÒªÓôóÁ¿µÄÌìÈ»º£Ë®ÓëÖ®»ìºÏºó²ÅÄÜÅÅ·Å£¬¸Ã²Ù×÷µÄÖ÷ҪĿµÄÊÇ