ÏÖÓÐÏÂÁÐÈÜÒº£º¢Ù20 mL 0.1 mol/LH2SO4ÈÜÒº£»¢Ú40 mL 0.1 mol/L CH3COOHÈÜÒº£»¢Û40 mL 0.1 mol/LHClÈÜÒº£»¢Ü40 mL 0.1 mol/L NaOHÈÜÒº£»¢Ý20 mL 0.1 mol/L Ba(OH)2ÈÜÒº£¬ÆäÖУº
£¨1£©c(H+)×îСµÄÊÇ__________________¡£
£¨2£©ÈÎÈ¡2·ÝÈÜÒº»ìºÏ£¬»ìºÏÈÜÒºµÄpHΪ7(»ò½Ó½ü7)£¬ÓÐ__________ÖÖÈ¡·¨¡£
£¨3£©¢Ú¢Ü»ìºÏºó£¬ÈÜÒºµÄpH__________7(Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±)¡£
£¨4£©»ìºÏºó³öÏÖ°×É«³ÁµíµÄÁ½ÖÖÈÜÒºÊÇ__________¡£
£¨1£©¢Ý¡¡
£¨2£©4
£¨3£©´óÓÚ
£¨4£©¢Ù¢Ý
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨I£©ÏÂÁвÙ×÷»áµ¼ÖÂʵÑé½á¹ûÆ«¸ßµÄÊÇ
D
D
£®
A£®ÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄÁòËáÈÜҺʱ£¬¶¨ÈÝÒ¡ÔȺ󣬷¢ÏÖÒºÃæµÍÓڿ̶ÈÏߣ®
B£®ÔÚÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜҺʱ£¬ÓÃ10mlµÄÁ¿Í²Á¿È¡5.0mlÒºÌåÈÜÖÊʱ¸©ÊÓ¶ÁÊý
C£®ÓÃÌìƽ³ÆÁ¿20.5gijÎïÖÊ£¬íÀÂëºÍÒ©Æ·µÄλÖ÷ŷ´£¬ËùµÃÒ©Æ·µÄÖÊÁ¿
D£®10%µÄÁòËáºÍ90%µÄÁòËáµÈÌå»ý»ìºÏÅäÖÆ50%µÄÁòËáÈÜÒº
E£®ÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜҺʱ£¬¶¨ÈÝʱÑöÊÓ¶ÁÊý£¬ËùµÃÈÜÒºµÄŨ¶È
£¨¢ò£©ÏÖÓÐÏÂÁÐÒÇÆ÷»òÓÃÆ·£º
a£®Ìú¼Ų̈£¨º¬ÌúȦ¡¢Ìú¼Ð£©£»b£®×¶ÐÎÆ¿£»c£®µÎ¶¨¹Ü£»d£®ÉÕ±­£¨Èô¸É£©£»e£®²£Á§°ô£»f£®½ºÍ·µÎ¹Ü£»g£®ÍÐÅÌÌìƽ£¨º¬íÀÂ룩£»h£®ÂËÖ½£»i£®Á¿Í²£»j£®Â©¶·£»k£®Î¶ȼƣ®
ÊÔÌî¿Õ£º
£¨1£©ÈçͼËùʾ·Ö±ðÊÇζȼơ¢Á¿Í²¡¢µÎ¶¨¹ÜµÄÒ»²¿·Ö£¬ÏÂÊöÅжϼ°¶ÁÊý£¨ÐéÏ߿̶ȣ©²»ÕýÈ·µÄÊÇ
AD
AD
£®
A£®¢ÙÊÇÁ¿Í²£¬¶ÁÊýΪ2.5mL
B£®¢ÚÊÇÁ¿Í²£¬¶ÁÊýΪ2.5mL
C£®¢ÛÊǵζ¨¹Ü£¬¶ÁÊýΪ2.50mL
D£®¢ÚÊÇζȼƣ¬¶ÁÊýÊÇ2.5¡æ
£¨2£©Óøø³öµÄÒÇÆ÷ºÍNaOH¹ÌÌåÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄÇâÑõ»¯ÄÆÈÜҺʱ£¬»¹È±ÉÙµÄÒÇÆ÷ÓÐ
Ô¿³×¡¢ÈÝÁ¿Æ¿
Ô¿³×¡¢ÈÝÁ¿Æ¿
£»
£¨3£©Óøø³öµÄÒÇÆ÷½øÐдÖÑεÄÌᴿʵÑ飬»¹È±ÉÙµÄÒÇÆ÷ÓÐ
Õô·¢Ã󡢾ƾ«µÆ
Õô·¢Ã󡢾ƾ«µÆ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÄƺͼØÊÇ»îÆõļî½ðÊôÔªËØ£¬Äƺͼؼ°Æ仯ºÏÎïÔÚÉú²úºÍÉú»îÖÐÓй㷺µÄÓ¦Óã®
£¨1£©½«0.01molÏÂÁÐÎïÖÊ¢ÙNa2O2¢ÚNa2O ¢ÛNa2CO3¢ÜNaCl·Ö±ð¼ÓÈë100mLÕôÁóË®ÖУ¬»Ö¸´ÖÁÊÒΣ¬ËùµÃÈÜÒºÖÐÒõÀë×ÓŨ¶ÈµÄ´óС˳ÐòÊÇ£¨ÈÜÒºÌå»ý±ä»¯ºöÂÔ²»¼Æ£©
 
£»
£¨2£©NH3ÓëNaClO·´Ó¦¿ÉµÃµ½ë£¨N2H4£©£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
£®ëÂÒ»¿ÕÆøȼÁϵç³ØÊÇÒ»ÖÖ¼îÐÔȼÁϵç³Ø£¬µç½âÖÊÈÜÒºÊÇ20%¡«30%µÄKOHÈÜÒº£®¸Ãµç³Ø·ÅµçʱÆ为¼«µÄµç¼«·´Ó¦Ê½ÊÇ
 
£»
£¨3£©ÏÖÓÐÒ»Na2CO3ºÍNaHCO3µÄ»ìºÏÎïÑùÆ·£¬È¡ag¸Ã»ìºÏÎï³ä·Ö¼ÓÈÈ£¬¼õÖØbg£¬Ôò¸Ã»ìºÏÎïÑùÆ·ÖÐNa2CO3µÄÖÊÁ¿·ÖÊýÊÇ
 
£»
£¨4£©µþµª»¯ÄÆ£¨NaN3£©ÊÜײ»÷ÍêÈ«·Ö½â²úÉúÄƺ͵ªÆø£¬¹Ê¿ÉÓ¦ÓÃÓÚÆû³µ°²È«ÆøÄÒ£®Èô²úÉú40.32L£¨±ê×¼×´¿öÏ£©µªÆø£¬ÖÁÉÙÐèÒªµþµª»¯ÄÆ
 
g£®
£¨5£©ÄÆ-¼ØºÏ½ð¿ÉÔں˷´Ó¦¶ÑÖÐÓÃ×÷ÈȽ»»»Òº£®5.05gÄÆ-¼ØºÏ½ðÈÜÓÚ200mLË®Éú³É0.075molÇâÆø£®Ôò¸ÃÈÜÒºÖÐÇâÑõ¸ùÀë×ÓµÄÎïÖʵÄÁ¿Å¨¶ÈÊÇ
 
£¨ºöÂÔÈÜÒºÌå»ý±ä»¯£©£®¼ÆË㲢ȷ¶¨¸ÃÄÆ-¼ØºÏ½ðµÄ»¯Ñ§Ê½Îª
 
£¨Áгö¼ÆËã¹ý³Ì£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2015½ìÉÂÎ÷Ê¡¸ßÒ»ÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

(20·Ö)£¨1£©ÏÖÓÐÏÂÁÐ״̬µÄÎïÖʢٸɱù ¢ÚNaCl¾§Ìå ¢Û°±Ë® ¢Ü´×Ëá ¢Ý¾Æ¾«Ë®ÈÜÒº ¢ÞÍ­ ¢ßÈÛÈÚµÄKOH ¢àÕáÌÇ£¬ÆäÖÐÊôÓÚµç½âÖʵÄÊÇ             £¬ÊôÓڷǵç½âÖʵÄÊÇ                    £¬Äܵ¼µçµÄÊÇ            £¬ ÆäÖÐÄܵ¼µçµÄµç½âÖʵĵçÀë·½³ÌʽÊÇ                          ¡£

£¨2£©º¬ÓÐÏÂÁÐÀë×ÓµÄÎåÖÖÈÜÒº ¢ÙAg+  ¢ÚMg2+ ¢ÛFe2+ ¢ÜAl3+  ¢ÝFe3+ ÊԻشðÏÂÁÐÎÊÌ⣺

¢Ù¼ÈÄܱ»Ñõ»¯ÓÖÄܱ»»¹Ô­µÄÀë×ÓÊÇ____________£¨ÌîÀë×Ó·ûºÅ£¬ÏÂͬ£©

¢ÚÄÜÓÃÀ´¼ø±ðCl¨C´æÔÚµÄÀë×ÓÊÇ___________

¢Û¼ÓÈë¹ýÁ¿NaOHÈÜÒºÎÞ³ÁµíµÄÊÇ_____________

¢Ü¼ÓÌú·ÛÈÜÒºÖÊÁ¿ÔöÖصÄÊÇ_________,ÈÜÒºÖÊÁ¿¼õÇáµÄ___________

¢ÝÓöKSCNÈÜÒº³ÊºìÉ«µÄÊÇ_________________________

£¨3£©°´ÒªÇóд³öÏÂÁз½³Ìʽ£º

¢Ù ´×ËáµçÀëµÄµçÀë·½³Ìʽ£º                                                £¬

¢Ú СËÕ´òÖÎÁÆθËá¹ý¶àµÄÀë×Ó·½³Ìʽ£º                                      ¡£

¢Û ÏòFeSO4ÈÜÒºÖмÓÈëNaOHÈÜÒº,ÏÖÏóÊÇ                                              

Óйػ¯Ñ§·½³ÌʽΪ                             £¬                            

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄêɽ¶«Ê¡¸ßÈý10Ô·ÝÖÊÁ¿¼ì²â»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

£¨14·Ö)ÏÖÓг£ÎÂÌõ¼þϼס¢ÒÒ¡¢±ûÈýÖÖÈÜÒº£¬¼×Ϊ0.1mol¡¤L-1µÄNaOHÈÜÒº£¬ÒÒΪ0.1mol¡¤L-1µÄHClÈÜÒº£¬±ûΪ0.1mol¡¤L-1µÄCH3COOHÈÜÒº£¬ÊԻشðÏÂÁÐÎÊÌ⣺

£¨1£©¼×ÈÜÒºµÄpH=       £»

£¨2£©±ûÈÜÒºÖдæÔÚµçÀëƽºâΪ                        £¨ÓõçÀëƽºâ·½³Ìʽ±íʾ£©£»

£¨3£©¼×¡¢ÒÒ¡¢±ûÈýÖÖÈÜÒºÖÐÓÉË®µçÀë³öµÄc(OH-)µÄ´óС¹ØϵΪ                    £»

£¨4£©Ä³Í¬Ñ§Óü×ÈÜÒº·Ö±ðµÎ¶¨20.00mLÒÒÈÜÒººÍ20.00mL±ûÈÜÒº£¬µÃµ½ÈçͼËùʾÁ½ÌõµÎ¶¨ÇúÏߣ¬ÇëÍê³ÉÓйØÎÊÌ⣺

¢Ù¼×ÈÜÒºµÎ¶¨±ûÈÜÒºµÄÇúÏßÊÇ        £¨Ìͼ1¡±»ò¡°Í¼2¡±£©£»

¢Úa£½         mL¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸