ÌâÄ¿ÄÚÈÝ
£¨12·Ö£©²¹ÌúÒ©Îï¡°ËÙÁ¦·Æ¡±ËµÃ÷Ê鲿·ÖÄÚÈÝժ¼£º
¡¾¹æ¸ñ¡¿Ã¿Æ¬º¬çúçêËáÑÇÌú0.1g
¡¾×é³ÉÓëÐÔ×´¡¿ÄÚº¬Fe2+34.0%¡«36.0%µÄÎÞË®¼îʽÑΣ¬Îª±¡Ä¤ÌÇÒÂƬ
¡¾ÊÊÓ¦Ö¢¡¿ÓÃÓÚȱÌúÐÔƶѪ֢Ԥ·À¼°ÖÎÁÆ
¡¾ÓÃÁ¿Ó÷¨¡¿³ÉÈËÔ¤·ÀÁ¿0.1g£¯ÈÕ£¬ÖÎÁÆÁ¿0.2g¡«0.4g£¯ÈÕ£»Ð¡¶ùÔ¤·ÀÁ¿30¡«60mg£¯ÈÕ£¬ÖÎÁÆÁ¿0.1g¡«0.3g£¯ÈÕ
¡¾´¢²Ø¡¿Ôڱܹ⡢ÃÜ·â¡¢ÒõÁ¹´¦±£´æ
¡¾Ò©ÎïÏ໥×÷Óá¿ÓëάÉúËØCͬ·þ£¬¿ÉÔö¼Ó±¾Æ·ÎüÊÕ£»¸ÃҩƬÔÚË®ºÍÒÒ´¼ÖÐÈܽâ¶È²»´ó¡£
ÏÖijѧУ»¯Ñ§ÊµÑéС×飬ΪÁ˼ì²â¡°ËÙÁ¦·Æ¡±Ò©Æ¬ÖÐÑÇÌúÔªËصĴæÔÚ£¬Éè¼ÆÁËÈçϼ¸×éʵÑ飺
¢ñ¡¢ÀíÂÛÉè¼Æ·½°¸£º ¼××éͬѧ°´ÕÕÉè¼ÆµÄ·½°¸Íê³ÉʵÑ飬µ«Òź¶µÄÊÇËûÃÇûÓеõ½Ô¤ÆÚµÄʵÑé½á¹û£¬
£¨1£©¼××éʵÑéʧ°ÜµÄ¿ÉÄÜÔÒò£º________________________________________________ ¡£
ÒÒ×éͬѧÈÏÕæ˼¿¼Á˼××éʵÑéʧ°ÜµÄÔÒò£¬Ä£ÄâҩƬ·þÓúóÔÚÈËÌåÖÐÈܽâµÄ±ä»¯¹ý³Ì£¬ÖØÐÂÉè¼Æ²¢Íê³ÉÏÂÁÐʵÑ飺
£¨2£©ÈôÊÔ¼Á1ΪÑÎË᣻ÔòÊÔ¼Á2Ϊ________________________________¡£
±û×éͬѧ¶ÔÒÒ×éʵÑéÖÐ×îºóºìÉ«ÍÊÈ¥µÄÏÖÏó²úÉúÁËÑо¿ÐËȤ£¬Ì½ÌÖÍÊÉ«µÄÔÒò£¬¸ù¾Ý΢Á£µÄ×é³É£¬ËûÃÇÈÏΪÓÐÁ½ÖÖ¿ÉÄܵÄÔÒò£º
[Fe£¨SCN£©]2+ÂçÀë×ÓÖеÄÈý¼ÛÌú±»»¹ÔΪÑÇÌú
¢Ú ¡£
£¨3£©ÇëÄã¶ÔÆäÖÐÒ»ÖÖ¿ÉÄܽøÐÐʵÑéÑéÖ¤£º________________________________
ʵÑé·½°¸£¨ÓÃÎÄ×ÖÊö£©£º________________________________________________ ,
¸ù¾ÝÔ¤ÆÚÏÖÏóÅжϽáÂÛ£º________________________________________________________ ¡£
¢ò¡¢£¨4£©³ÆÁ¿¡°ËÙÁ¦·Æ¡±1.0 g£¬½«ÆäÈ«²¿ÈÜÓÚÏ¡ÁòËáÖУ¬ÅäÖƳÉ100.00 mLÈÜÒº£¬È¡³ö20.00 mL£¬ÓÃ0.01000 mol/LµÄKMnO4ÈÜÒºµÎ¶¨¡£Èý´Î²Ù×÷¶ÁÊýÈçÏ£º
ÐòºÅ | V£¨KMnO4£©³õ | V£¨KMnO4£©ÖÕ | V£¨KMnO4£© |
1 | 2.24mL | 14.25mL | 12.01mL |
2 | 0.30mL | 12.72mL | 12.42mL |
3 | 0.50mL | 12.53 | 12.03mL |
£¨12·Ö£©£¨1£©¸ÃҩƬÔÚË®ÖÐÈܽâ¶È²»´ó£¬ÉÙÁ¿ÈܽâºóµÄÈÜÒºÖм¸ºõ²»´æÔÚFe2+Àë×Ó£¬ËùÒԵò»µ½Ô¤ÆÚµÄʵÑéÏÖÏó¡££¨2·Ö£©
£¨2£© KSCNÈÜÒº £¨2·Ö£©
[Fe£¨SCN£©]2+ÂçÀë×ÓÖеÄSCN¡ª±»Ë«ÑõË®Ñõ»¯£¨2·Ö£©
£¨3£©ÔÚÍÊÉ«ºóÈÜÒº¼ÓÈëFeCl3ÈÜÒºÈÜÒº£¨2·Ö£©
ÏÖÏ󣺱äºìÉ« ½áÂÛ£ºÍÊÉ«ÔÒòÊÇÒòΪ¢Ù£»²»±äºìÉ« ½áÂÛ£ºÍÊÉ«ÔÒòÊÇÒòΪ¢Ú
»òÔÚÍÊÉ«ºóÈÜÒº¼ÓÈë¼ÓÈëKSCNÈÜÒº £¨2·Ö£©
ÏÖÏ󣺱äºìÉ« ½áÂÛ£ºÍÊÉ«ÔÒòÊÇÒòΪ¢Ú£»²»±äºìÉ« ½áÂÛ£ºÍÊÉ«ÔÒòÊÇÒòΪ¢Ù
£¨4£©16.83%£¨2·Ö£©
½âÎö
£¨12·Ö£©²¹ÌúÒ©Îï¡°ËÙÁ¦·Æ¡±ËµÃ÷Ê鲿·ÖÄÚÈÝժ¼£º
¡¾¹æ¸ñ¡¿Ã¿Æ¬º¬çúçêËáÑÇÌú0.1g
¡¾×é³ÉÓëÐÔ×´¡¿ÄÚº¬Fe2+34.0%¡«36.0%µÄÎÞË®¼îʽÑΣ¬Îª±¡Ä¤ÌÇÒÂƬ
¡¾ÊÊÓ¦Ö¢¡¿ÓÃÓÚȱÌúÐÔƶѪ֢Ԥ·À¼°ÖÎÁÆ
¡¾ÓÃÁ¿Ó÷¨¡¿³ÉÈËÔ¤·ÀÁ¿0.1g£¯ÈÕ£¬ÖÎÁÆÁ¿0.2g¡«0.4g£¯ÈÕ£»Ð¡¶ùÔ¤·ÀÁ¿30¡«60mg£¯ÈÕ£¬ÖÎÁÆÁ¿0.1g¡«0.3g£¯ÈÕ
¡¾´¢²Ø¡¿Ôڱܹ⡢ÃÜ·â¡¢ÒõÁ¹´¦±£´æ
¡¾Ò©ÎïÏ໥×÷Óá¿ÓëάÉúËØCͬ·þ£¬¿ÉÔö¼Ó±¾Æ·ÎüÊÕ£»¸ÃҩƬÔÚË®ºÍÒÒ´¼ÖÐÈܽâ¶È²»´ó¡£
ÏÖijѧУ»¯Ñ§ÊµÑéС×飬ΪÁ˼ì²â¡°ËÙÁ¦·Æ¡±Ò©Æ¬ÖÐÑÇÌúÔªËصĴæÔÚ£¬Éè¼ÆÁËÈçϼ¸×éʵÑ飺
¢ñ¡¢ÀíÂÛÉè¼Æ·½°¸£º ¼××éͬѧ°´ÕÕÉè¼ÆµÄ·½°¸Íê³ÉʵÑ飬µ«Òź¶µÄÊÇËûÃÇûÓеõ½Ô¤ÆÚµÄʵÑé½á¹û£¬
£¨1£©¼××éʵÑéʧ°ÜµÄ¿ÉÄÜÔÒò£º________________________________________________¡£
ÒÒ×éͬѧÈÏÕæ˼¿¼Á˼××éʵÑéʧ°ÜµÄÔÒò£¬Ä£ÄâҩƬ·þÓúóÔÚÈËÌåÖÐÈܽâµÄ±ä»¯¹ý³Ì£¬ÖØÐÂÉè¼Æ²¢Íê³ÉÏÂÁÐʵÑ飺
£¨2£©ÈôÊÔ¼Á1ΪÑÎË᣻ÔòÊÔ¼Á2Ϊ________________________________¡£
±û×éͬѧ¶ÔÒÒ×éʵÑéÖÐ×îºóºìÉ«ÍÊÈ¥µÄÏÖÏó²úÉúÁËÑо¿ÐËȤ£¬Ì½ÌÖÍÊÉ«µÄÔÒò£¬¸ù¾Ý΢Á£µÄ×é³É£¬ËûÃÇÈÏΪÓÐÁ½ÖÖ¿ÉÄܵÄÔÒò£º
[Fe£¨SCN£©]2+ÂçÀë×ÓÖеÄÈý¼ÛÌú±»»¹ÔΪÑÇÌú
¢Ú ¡£
£¨3£©ÇëÄã¶ÔÆäÖÐÒ»ÖÖ¿ÉÄܽøÐÐʵÑéÑéÖ¤£º________________________________
ʵÑé·½°¸£¨ÓÃÎÄ×ÖÊö£©£º________________________________________________,
¸ù¾ÝÔ¤ÆÚÏÖÏóÅжϽáÂÛ£º________________________________________________________¡£
¢ò¡¢£¨4£©³ÆÁ¿¡°ËÙÁ¦·Æ¡±1.0 g£¬½«ÆäÈ«²¿ÈÜÓÚÏ¡ÁòËáÖУ¬ÅäÖƳÉ100.00 mLÈÜÒº£¬È¡³ö20.00 mL£¬ÓÃ0.01000 mol/LµÄKMnO4ÈÜÒºµÎ¶¨¡£Èý´Î²Ù×÷¶ÁÊýÈçÏ£º
ÐòºÅ | V£¨KMnO4£©³õ | V£¨KMnO4£©ÖÕ | V£¨KMnO4£© |
1 | 2.24mL | 14.25mL | 12.01mL |
2 | 0.30mL | 12.72mL | 12.42mL |
3 | 0.50mL | 12.53 | 12.03mL |
¼ÆË㣺¸Ã²¹ÑªÒ©Öк¬Fe2+µÄÖÊÁ¿·ÖÊý________________£¨±£ÁôСÊýµãºó¶þλСÊý£©¡£
£¨12·Ö£©²¹ÌúÒ©Îï¡°ËÙÁ¦·Æ¡±ËµÃ÷Ê鲿·ÖÄÚÈÝժ¼£º
¡¾¹æ¸ñ¡¿Ã¿Æ¬º¬çúçêËáÑÇÌú0.1g
¡¾×é³ÉÓëÐÔ×´¡¿ÄÚº¬Fe2+34.0%¡«36.0%µÄÎÞË®¼îʽÑΣ¬Îª±¡Ä¤ÌÇÒÂƬ
¡¾ÊÊÓ¦Ö¢¡¿ÓÃÓÚȱÌúÐÔƶѪ֢Ԥ·À¼°ÖÎÁÆ
¡¾ÓÃÁ¿Ó÷¨¡¿³ÉÈËÔ¤·ÀÁ¿0.1g£¯ÈÕ£¬ÖÎÁÆÁ¿0.2g¡«0.4g£¯ÈÕ£»Ð¡¶ùÔ¤·ÀÁ¿30¡«60mg£¯ÈÕ£¬ÖÎÁÆÁ¿0.1g¡«0.3g£¯ÈÕ
¡¾´¢²Ø¡¿Ôڱܹ⡢ÃÜ·â¡¢ÒõÁ¹´¦±£´æ
¡¾Ò©ÎïÏ໥×÷Óá¿ÓëάÉúËØCͬ·þ£¬¿ÉÔö¼Ó±¾Æ·ÎüÊÕ£»¸ÃҩƬÔÚË®ºÍÒÒ´¼ÖÐÈܽâ¶È²»´ó¡£
ÏÖijѧУ»¯Ñ§ÊµÑéС×飬ΪÁ˼ì²â¡°ËÙÁ¦·Æ¡±Ò©Æ¬ÖÐÑÇÌúÔªËصĴæÔÚ£¬Éè¼ÆÁËÈçϼ¸×éʵÑ飺
¢ñ¡¢ÀíÂÛÉè¼Æ·½°¸£º ¼××éͬѧ°´ÕÕÉè¼ÆµÄ·½°¸Íê³ÉʵÑ飬µ«Òź¶µÄÊÇËûÃÇûÓеõ½Ô¤ÆÚµÄʵÑé½á¹û£¬
£¨1£©¼××éʵÑéʧ°ÜµÄ¿ÉÄÜÔÒò£º________________________________________________ ¡£
ÒÒ×éͬѧÈÏÕæ˼¿¼Á˼××éʵÑéʧ°ÜµÄÔÒò£¬Ä£ÄâҩƬ·þÓúóÔÚÈËÌåÖÐÈܽâµÄ±ä»¯¹ý³Ì£¬ÖØÐÂÉè¼Æ²¢Íê³ÉÏÂÁÐʵÑ飺
£¨2£©ÈôÊÔ¼Á1ΪÑÎË᣻ÔòÊÔ¼Á2Ϊ________________________________¡£
±û×éͬѧ¶ÔÒÒ×éʵÑéÖÐ×îºóºìÉ«ÍÊÈ¥µÄÏÖÏó²úÉúÁËÑо¿ÐËȤ£¬Ì½ÌÖÍÊÉ«µÄÔÒò£¬¸ù¾Ý΢Á£µÄ×é³É£¬ËûÃÇÈÏΪÓÐÁ½ÖÖ¿ÉÄܵÄÔÒò£º
[Fe£¨SCN£©]2+ÂçÀë×ÓÖеÄÈý¼ÛÌú±»»¹ÔΪÑÇÌú
¢Ú ¡£
£¨3£©ÇëÄã¶ÔÆäÖÐÒ»ÖÖ¿ÉÄܽøÐÐʵÑéÑéÖ¤£º________________________________
ʵÑé·½°¸£¨ÓÃÎÄ×ÖÊö£©£º________________________________________________ ,
¸ù¾ÝÔ¤ÆÚÏÖÏóÅжϽáÂÛ£º________________________________________________________ ¡£
¢ò¡¢£¨4£©³ÆÁ¿¡°ËÙÁ¦·Æ¡±1.0 g£¬½«ÆäÈ«²¿ÈÜÓÚÏ¡ÁòËáÖУ¬ÅäÖƳÉ100.00 mLÈÜÒº£¬È¡³ö20.00 mL£¬ÓÃ0.01000 mol/LµÄKMnO4ÈÜÒºµÎ¶¨¡£Èý´Î²Ù×÷¶ÁÊýÈçÏ£º
ÐòºÅ |
V£¨KMnO4£©³õ |
V£¨KMnO4£©ÖÕ |
V£¨KMnO4£© |
1 |
2.24mL |
14.25mL |
12.01mL |
2 |
0.30mL |
12.72mL |
12.42mL |
3 |
0.50mL |
12.53 |
12.03mL |
¼ÆË㣺¸Ã²¹ÑªÒ©Öк¬Fe2+µÄÖÊÁ¿·ÖÊý________________£¨±£ÁôСÊýµãºó¶þλСÊý£©¡£