ijʵÑéС×éÄâÓÃËá¼îÖк͵ζ¨·¨²â¶¨Ê³´×µÄ×ÜËáÁ¿(g/100 mL)£¬ÏÖÑûÇëÄã²ÎÓ뱾ʵÑé²¢»Ø´ðÏà¹ØÎÊÌ⣮(ÓйØʵÑéҩƷΪ£ºÊÐÊÛʳÓð״×ÑùÆ·500 mL¡¢0.1000 mol/LNaOH±ê×¼ÈÜÒº¡¢ÕôÁóË®¡¢0.1%¼×»ù³ÈÈÜÒº¡¢0.1%·Ó̪ÈÜÒº¡¢0.1%ʯÈïÈÜÒº£®)

¢ñ£®ÊµÑé²½Ö裺

(1)Óõζ¨¹ÜÎüÈ¡10 mLÊÐÊÛ°×´×ÑùÆ·£¬ÖÃÓÚ100 mLÈÝÁ¿Æ¿ÖУ¬¼ÓÕôÁóË®(Öó·Ð³ýÈ¥CO2²¢Ñ¸ËÙÀäÈ´))Ï¡ÊÍÖÁ¿Ì¶ÈÏߣ¬Ò¡Ôȼ´µÃ´ý²âʳ´×ÈÜÒº£®

(2)ÓÃËáʽµÎ¶¨¹ÜÈ¡´ý²âʳ´×ÈÜÒº20.00 mLÓÚ________ÖУ®

(3)Ê¢×°±ê×¼NaOHÈÜÒº£¬¾²Öú󣬶ÁÈ¡Êý¾Ý£¬¼Ç¼ΪNaOH±ê×¼ÈÜÒºÌå»ýµÄ³õ¶ÁÊý£®

(4)µÎ¶¨£¬²¢¼Ç¼NaOHµÄÖÕ¶ÁÊý£®Öظ´µÎ¶¨2£­3´Î£®

¢ò£®ÊµÑé¼Ç¼¼°Êý¾Ý´¦Àí

Ôòc(ÑùÆ·)/moL¡¤L£­1£½________£»ÑùÆ·×ÜËáÁ¿g / 100mL£½________£®

¢ó£®½»Á÷ÓëÌÖÂÛ£º

(1)¼×ͬѧÔÚ´¦ÀíÊý¾Ý¹ý³ÌÖмÆËãµÃ£º

V(NaOH)(ƽ¾ùÏûºÄ)£½1/4(14.98£«15.00£«15.02£«15.95)mL£½15.24 mL£®

ÊÔ·ÖÎöËûµÄ¼ÆËãÊÇ·ñºÏÀí£¬Èç¹û²»ºÏÀíÇë˵Ã÷ÀíÓÉ£®

________________________________________________________________£®

(2)ÒÒͬѧÓÃ0.1000 mol/L¡¡NaOHÈÜÒºµÎ¶¨ÁíÒ»ÊÐÊÛ°×´×ÑùÆ·ÈÜҺʱ£¬µÎ¶¨¹ý³ÌÖÐʹÓÃpH¼Æ½«ÈÜÒºµÄpH±ä»¯Çé¿ö¼Ç¼ÈçÏÂ±í£®

¢ÙÇë×÷³öpH£­V(NaOH)ͼ£®

¢ÙÓɱíºÍͼ¿ÉÖª£ºÔÚÔÊÐíµÄÎó²î·¶Î§(¡À0.1%)ÄÚ£¬pHÍ»±ä

(µÎ¶¨Í»Ô¾)·¶Î§Îª________£®

ËùÒÔ¿ÉÑ¡Ôñ________×÷ָʾ¼Á£®

¸½£º³£¼ûָʾ¼ÁµÄ±äÉ«·¶Î§

´ð°¸£º
½âÎö£º

¡¡¡¡¢ñ£®×¶ÐÎÆ¿¡¡0.75¡¡4.5

¡¡¡¡¢ò£®²»ºÏÀí(1·Ö)£¬ÒòΪµÚËÄ×éÊý¾ÝÓëÇ°3×éÏà²î½Ï´ó£¬ÊôÒì³£Öµ£¬Ó¦ÉáÈ¥

¡¡¡¡¢ó£®Í¼ÂÔ¡¡7.74~9.70¡¡·Ó̪


Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2009?»´°²¶þÄ££©Ä³ÊµÑéС×éÄâÓÃËá¼îÖк͵ζ¨·¨²â¶¨Ê³´×µÄ×ÜËáÁ¿£¨g/100mL£©£¬ÏÖÑûÇëÄã²ÎÓ뱾ʵÑé²¢»Ø´ðÏà¹ØÎÊÌ⣮£¨ÓйØʵÑéҩƷΪ£ºÊÐÊÛʳÓð״×ÑùÆ·500mL¡¢0.1000mol/LNaOH±ê×¼ÈÜÒº¡¢ÕôÁóË®¡¢0.1%¼×»ù³ÈÈÜÒº¡¢0.1%·Ó̪ÈÜÒº¡¢0.1%ʯÈïÈÜÒº£®£©
¢ñ£®ÊµÑé²½Ö裺
£¨1£©Óõζ¨¹ÜÎüÈ¡10mLÊÐÊÛ°×´×ÑùÆ·£¬ÖÃÓÚ100mLÈÝÁ¿Æ¿ÖУ¬¼ÓÕôÁóË®£¨Öó·Ð³ýÈ¥CO2²¢Ñ¸ËÙÀäÈ´£©£©Ï¡ÊÍÖÁ¿Ì¶ÈÏߣ¬Ò¡Ôȼ´µÃ´ý²âʳ´×ÈÜÒº£®
£¨2£©ÓÃËáʽµÎ¶¨¹ÜÈ¡´ý²âʳ´×ÈÜÒº20.00mLÓÚ
׶ÐÎÆ¿
׶ÐÎÆ¿
ÖУ®
£¨3£©Ê¢×°±ê×¼NaOHÈÜÒº£¬¾²Öú󣬶ÁÈ¡Êý¾Ý£¬¼Ç¼ΪNaOH±ê×¼ÈÜÒºÌå»ýµÄ³õ¶ÁÊý£®
£¨4£©µÎ¶¨£¬²¢¼Ç¼NaOHµÄÖÕ¶ÁÊý£®Öظ´µÎ¶¨2-3´Î£®
¢ò£®ÊµÑé¼Ç¼¼°Êý¾Ý´¦Àí
µÎ¶¨´ÎÊý
ʵÑéÊý¾Ý
1 2 3 4
V£¨ÑùÆ·£©/mL 20.00 20.00 20.00 20.00
V£¨NaOH£©/mL£¨³õ¶ÁÊý£© 0.00 0.200 0.10 0.00
V£¨NaOH£©/mL£¨ÖÕ¶ÁÊý£© 14.98 15.20 15.12 15.95
V£¨NaOH£©/mL£¨ÏûºÄ£© 14.98 15.00 15.02 15.95
Ôòc£¨ÑùÆ·£©/moL?L-1=
0.75mol/L
0.75mol/L
£»ÑùÆ·×ÜËáÁ¿g/100mL=
4£®g/100ml
4£®g/100ml
£®
¢ó£®½»Á÷ÓëÌÖÂÛ£º
£¨1£©¼×ͬѧÔÚ´¦ÀíÊý¾Ý¹ý³ÌÖмÆËãµÃ£ºV£¨NaOH£©£¨Æ½¾ùÏûºÄ£©=1/4£¨14.98+15.00+15.02+15.95£©mL=15.24mL£®
ÊÔ·ÖÎöËûµÄ¼ÆËãÊÇ·ñºÏÀí£¬Èç¹û²»ºÏÀíÇë˵Ã÷ÀíÓÉ£º
²»ºÏÀí£¬ÒòΪµÚËÄ×éÊý¾ÝÓëÇ°3×éÏà²î½Ï´ó£¬ÊôÒì³£Öµ£¬Ó¦ÉáÈ¥
²»ºÏÀí£¬ÒòΪµÚËÄ×éÊý¾ÝÓëÇ°3×éÏà²î½Ï´ó£¬ÊôÒì³£Öµ£¬Ó¦ÉáÈ¥
£®
£¨2£©ÒÒͬѧÓÃ0.1000mol/LNaOHÈÜÒºµÎ¶¨ÁíÒ»ÊÐÊÛ°×´×ÑùÆ·ÈÜҺʱ£¬µÎ¶¨¹ý³ÌÖÐʹÓÃpH¼Æ½«ÈÜÒºµÄpH±ä»¯Çé¿ö¼Ç¼ÈçÏÂ±í£®
V£¨NaOH£©/mL 0.00 10.00 18.00 19.80 19.98 20.00 20.02 20.20 22.00
ÈÜÒºpH 2.88 4.70 5.70 6.74 7.74 8.72 9.70 10.70 11.70
¢ÙÇë×÷³öpH-V£¨NaOH£©Í¼£®

¢ÚÓɱíºÍͼ¿ÉÖª£ºÔÚÔÊÐíµÄÎó²î·¶Î§£¨¡À0.1%£©ÄÚ£¬pHÍ»±ä£¨µÎ¶¨Í»Ô¾£©·¶Î§Îª
7.74¡«9.70
7.74¡«9.70
£®ËùÒÔ¿ÉÑ¡Ôñ
·Ó̪
·Ó̪
×÷ָʾ¼Á£®
¸½£º³£¼ûָʾ¼ÁµÄ±äÉ«·¶Î§
ָʾ¼Á ±äÉ«µÄ·¶Î§£¨pH£©
¼×»ù³È 3.1¡«4.4
ʯÈï 5.0¡«8.0
·Ó̪ 8.2¡«10.0

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ijʵÑéС×éÄâÓÃËá¼îÖк͵ζ¨·¨²â¶¨Ê³´×µÄ×ÜËáÁ¿£¨g/100mL£©£¬ÏÖÑûÇëÄã²ÎÓ뱾ʵÑé²¢»Ø´ðÏà¹ØÎÊÌ⣮£¨ÓйØʵÑéҩƷΪ£ºÊÐÊÛʳÓð״×ÑùÆ·500mL¡¢0.1000mol/L NaOH±ê×¼ÈÜÒº¡¢ÕôÁóË®¡¢0.1%¼×»ù³ÈÈÜÒº¡¢0.1%·Ó̪ÈÜÒº¡¢0.1%ʯÈïÈÜÒº£®£©
¢ñ£®ÊµÑé²½Ö裺
£¨1£©Óõζ¨¹ÜÎüÈ¡10mLÊÐÊÛ°×´×ÑùÆ·£¬ÖÃÓÚ100mLÈÝÁ¿Æ¿ÖУ¬¼ÓÕôÁóË®£¨Öó·Ð³ýÈ¥CO2²¢Ñ¸ËÙÀäÈ´£©Ï¡ÊÍÖÁ¿Ì¶ÈÏߣ¬Ò¡Ôȼ´µÃ´ý²âʳ´×ÈÜÒº£®
£¨2£©ÓÃËáʽµÎ¶¨¹ÜÈ¡´ý²âʳ´×ÈÜÒº20.00mLÓÚ
 
ÖУ®
£¨3£©Ê¢×°±ê×¼NaOHÈÜÒº£¬¾²Öú󣬶ÁÈ¡Êý¾Ý£¬¼Ç¼ΪNaOH±ê×¼ÈÜÒºÌå»ýµÄ³õ¶ÁÊý£®
£¨4£©µÎ¶¨£¬²¢¼Ç¼NaOHµÄÖÕ¶ÁÊý£®Öظ´µÎ¶¨2-3´Î£®
¢ò£®ÊµÑé¼Ç¼¼°Êý¾Ý´¦Àí
µÎ¶¨´ÎÊý
ʵÑéÊý¾Ý
1 2 3 4
V£¨ÑùÆ·£©/mL 20.00 20.00 20.00 20.00
V£¨NaOH£©/mL£¨³õ¶ÁÊý£© 0.00 0.200 0.10 0.00
V£¨NaOH£©/mL£¨ÖÕ¶ÁÊý£© 14.98 15.20 15.12 15.95
V£¨NaOH£©/mL£¨ÏûºÄ£© 14.98 15.00 15.02 15.95
»Ø´ðÏÂÃæµÄÎÊÌâ
¢Ù²½Ö裨2£©Ê¹Óõ½µÄÒÇÆ÷Ãû³ÆΪ£º
 

¢ÚÏÂÁпÉÓÃÓڲⶨÈÜÒºpHÇÒ¾«È·¶È×î¸ßµÄÊÇ
 

AËá¼îָʾ¼Á    B pH¼Æ    C¾«ÃÜpHÊÔÖ½    D¹ã·ºpHÊÔÖ½
¢ÛÈôÓñê×¼ÑÎËáÈÜÒºµÎ¶¨NaOHÈÜҺʱ£¬Óɵζ¨Ç°ÑöÊÓ¶ÁÊý£¬µÎ¶¨½áÊøʱ¸©ÊÓ¶ÁÊý£¬ÕâÑùʹÇóµÃµÄNaOHµÄÎïÖʵÄÁ¿Å¨¶È
 

A£®Æ«µÍ      B£®Æ«¸ß     C£®Æ«µÍ»òÆ«¸ß»ò²»ÄÜÈ·¶¨    D£®²»ÊÜÓ°Ïì
¢ÜÔÚËá¼îÖк͵ζ¨·¨²â¶¨Ê³´×µÄ×ÜËáÁ¿µÄʵÑéÖиù¾ÝÉÏÃæµÄʵÑéÊý¾ÝÔòc£¨ÑùÆ·£©/moL?L-1=
 
£»ÑùÆ·×ÜËáÁ¿g/100mL=
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ijʵÑéС×éÄâÓÃËá¼îÖк͵ζ¨·¨²â¶¨Ê³´×µÄ×ÜËáÁ¿£¨g/100mL£©£¬ÏÖÑûÇëÄã²ÎÓ뱾ʵÑé²¢»Ø´ðÏà¹ØÎÊÌ⣮£¨ÓйØʵÑéҩƷΪ£ºÊÐÊÛʳÓð״×ÑùÆ·500mL¡¢0.1000mol/LNaOH±ê×¼ÈÜÒº¡¢ÕôÁóË®¡¢0.1%¼×»ù³ÈÈÜÒº¡¢0.1%·Ó̪ÈÜÒº¡¢0.1%ʯÈïÈÜÒº£®£©
¢ñ£®ÊµÑé²½Ö裺
£¨1£©Óõζ¨¹ÜÎüÈ¡10mLÊÐÊÛ°×´×ÑùÆ·£¬ÖÃÓÚ100mLÈÝÁ¿Æ¿ÖУ¬¼ÓÕôÁóË®£¨Öó·Ð³ýÈ¥CO2²¢Ñ¸ËÙÀäÈ´£©£©Ï¡ÊÍÖÁ¿Ì¶ÈÏߣ¬Ò¡Ôȼ´µÃ´ý²âʳ´×ÈÜÒº£®
£¨2£©ÓÃËáʽµÎ¶¨¹ÜÈ¡´ý²âʳ´×ÈÜÒº20.00mLÓÚ______ÖУ®
£¨3£©Ê¢×°±ê×¼NaOHÈÜÒº£¬¾²Öú󣬶ÁÈ¡Êý¾Ý£¬¼Ç¼ΪNaOH±ê×¼ÈÜÒºÌå»ýµÄ³õ¶ÁÊý£®
£¨4£©µÎ¶¨£¬²¢¼Ç¼NaOHµÄÖÕ¶ÁÊý£®Öظ´µÎ¶¨2-3´Î£®
¢ò£®ÊµÑé¼Ç¼¼°Êý¾Ý´¦Àí
µÎ¶¨´ÎÊý
ʵÑéÊý¾Ý
1234
V£¨ÑùÆ·£©/mL20.0020.0020.0020.00
V£¨NaOH£©/mL£¨³õ¶ÁÊý£©0.000.2000.100.00
V£¨NaOH£©/mL£¨ÖÕ¶ÁÊý£©14.9815.2015.1215.95
V£¨NaOH£©/mL£¨ÏûºÄ£©14.9815.0015.0215.95
Ôòc£¨ÑùÆ·£©/moL?L-1=______£»ÑùÆ·×ÜËáÁ¿g/100mL=______£®
¢ó£®½»Á÷ÓëÌÖÂÛ£º
£¨1£©¼×ͬѧÔÚ´¦ÀíÊý¾Ý¹ý³ÌÖмÆËãµÃ£ºV£¨NaOH£©£¨Æ½¾ùÏûºÄ£©=1/4£¨14.98+15.00+15.02+15.95£©mL=15.24mL£®
ÊÔ·ÖÎöËûµÄ¼ÆËãÊÇ·ñºÏÀí£¬Èç¹û²»ºÏÀíÇë˵Ã÷ÀíÓÉ£º______£®
£¨2£©ÒÒͬѧÓÃ0.1000mol/LNaOHÈÜÒºµÎ¶¨ÁíÒ»ÊÐÊÛ°×´×ÑùÆ·ÈÜҺʱ£¬µÎ¶¨¹ý³ÌÖÐʹÓÃpH¼Æ½«ÈÜÒºµÄpH±ä»¯Çé¿ö¼Ç¼ÈçÏÂ±í£®
V£¨NaOH£©/mL0.0010.0018.0019.8019.9820.0020.0220.2022.00
ÈÜÒºpH2.884.705.706.747.748.729.7010.7011.70
¢ÙÇë×÷³öpH-V£¨NaOH£©Í¼£®

¢ÚÓɱíºÍͼ¿ÉÖª£ºÔÚÔÊÐíµÄÎó²î·¶Î§£¨¡À0.1%£©ÄÚ£¬pHÍ»±ä£¨µÎ¶¨Í»Ô¾£©·¶Î§Îª______£®ËùÒÔ¿ÉÑ¡Ôñ______×÷ָʾ¼Á£®
¸½£º³£¼ûָʾ¼ÁµÄ±äÉ«·¶Î§
ָʾ¼Á±äÉ«µÄ·¶Î§£¨pH£©
¼×»ù³È3.1¡«4.4
ʯÈï5.0¡«8.0
·Ó̪8.2¡«10.0

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

¹ýÑõ»¯ÇâÊÇÖØÒªµÄÑõ»¯¼ÁºÍ»¹Ô­¼Á£¬³£ÓÃÓÚÏû¶¾¡¢É±¾ú¡¢Æ¯°×µÈ¡£Çë»Ø´ðÏà¹ØÎÊÌ⣺

£¨1£©Ä¿Ç°³£ÓÃÒÒ»ùÝìõ«·¨ÖƱ¸¹ýÑõ»¯Ç⣬Ö÷Òª¹ý³ÌÈçÏÂͼ£¬´Ë¹ý³ÌµÄ×Ü·½³ÌʽΪ             ¡£

£¨2£©ÊµÑé²âµÃ³£ÎÂÏÂÖÊÁ¿·ÖÊýΪ0.51%H2O2Ë®ÈÜÒº£¨ÃܶÈΪ1g/mL£©µÄpHΪ5

i.д³öH2O2ÈÜÓÚË®µÄµçÀë·½³Ìʽ         .

ii.²â¶¨H2O2Ë®ÈÜÒºpHµÄ·½·¨Îª(Ìî±àºÅ)          

      A.ÓÃËá¼îָʾ¼Á²â¶¨                B.Óù㷺pHÊÔÖ½²â¶¨ 

      C.Óþ«ÃÜpHÊÔÖ½²â¶¨               D.ÓÃpH¼Æ²â¶¨

£¨3£©Ä³ÊµÑéС×éÄâÑо¿Å¨¶È¡¢´ß»¯¼Á¡¢ÈÜÒºËá¼îÐÔ¶ÔH2O2·Ö½â·´Ó¦ËÙÂʵÄÓ°Ïì¡£ÔÚ³£ÎÂÏ°´ÕÕÈçÏ·½°¸Íê³ÉʵÑé¡£

ʵÑé±àºÅ

·´Ó¦Îï

´ß»¯¼Á

¢Ù

10 mL 2% H2O2ÈÜÒº

ÎÞ

¢Ú

10 mL 5% H2O2ÈÜÒº

ÎÞ

¢Û

10 mL 5% H2O2ÈÜÒº

0.1gMnO2·ÛÄ©

¢Ü

10 mL 5% H2O2ÈÜÒº£«ÉÙÁ¿HClÈÜÒº

0.1gMnO2·ÛÄ©

¢Ý

10 mL 5% H2O2ÈÜÒº£«ÉÙÁ¿NaOHÈÜÒº

0.1gMnO2·ÛÄ©

i.ʵÑé¢ÙºÍ¢ÚµÄÄ¿µÄÊÇ_______¡£ÊµÑéʱÓÉÓÚûÓй۲쵽Ã÷ÏÔÏÖÏó¶øÎÞ·¨µÃ³ö½áÂÛ¡£×ÊÁÏÏÔʾ£¬Í¨³£Ìõ¼þÏÂH2O2½ÏÎȶ¨£¬²»Ò׷ֽ⡣ΪÁ˴ﵽʵÑéÄ¿µÄ£¬Äã¶ÔԭʵÑé·½°¸µÄ¸Ä½øÊÇ_________¡£

ii.ʵÑé¢Û¡¢¢Ü¡¢¢ÝÖУ¬²âµÃÉú³ÉÑõÆøµÄÌå»ýËæʱ¼ä±ä»¯µÄ¹ØϵÈçͼËùʾ¡£

·ÖÎö¸ÃͼÄܹ»µÃ³öµÄʵÑé½áÂÛÊÇ____________¡£

£¨4£©ÊµÑéÊÒ³£ÓÃËáÐÔ¸ßÃÌËá¼Ø±ê×¼ÈÜÒº²â¶¨Ë«ÑõË®µÄŨ¶È£¬·´Ó¦Ô­ÀíΪ£º

MnO4£­£«H2O2£«H£« ¡ªMn2£«£«H2O£« O2¡ü

i.ÇëÅäƽÒÔÉÏÀë×Ó·½³Ìʽ

ii.ÓÃÒÆÒº¹ÜÎüÈ¡25.00mLÊÔÑùÖÃÓÚ׶ÐÎÆ¿ÖУ¬Öظ´µÎ¶¨ËĴΣ¬Ã¿´ÎÏûºÄ0.1000 mol¡¤L-1µÄKMnO4±ê×¼ÈÜÒºÌå»ýÈçϱíËùʾ£º

µÚÒ»´Î

µÚ¶þ´Î

µÚÈý´Î

µÚËÄ´Î

Ìå»ý£¨mL£©

17.10

18.10

18.00

17.90

¼ÆËãÊÔÑùÖйýÑõ»¯ÇâµÄŨ¶ÈΪ              mol¡¤L-1¡£

iii.ÈôµÎ¶¨Ç°¼â×ìÖÐÓÐÆøÅݵζ¨ºóÏûʧ£¬Ôò²â¶¨½á¹û       £¨¡°Æ«¸ß¡±»ò¡°Æ«µÍ¡±»ò¡°²»±ä¡±£©¡£

                                   

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸