1£®³ÆÈ¡£¨NH4£©2SO4ºÍNH4HSO4»ìºÏÎïÑùÆ·7.24g£¬¼ÓÈ뺬0.1mol NaOHµÄÈÜÒº£¬ÍêÈ«·´Ó¦ºó¼ÓÈÈ£¬Éú³ÉNH3 1792mL£¨±ê×¼×´¿ö£©£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®NaOHÖ»ÓëNH4HSO4·´Ó¦
B£®£¨NH4£©2SO4ÔÚË®ÖеĵçÀë·½³Ìʽ£º£¨NH4£©2SO4=NH4++SO42-
C£®NH4HSO4µÄÎïÖʵÄÁ¿ÊÇ0.04 mol
D£®£¨NH4£©2SO4ºÍNH4HSO4ÎïÖʵÄÁ¿Ö®±ÈÊÇ1.87£º1

·ÖÎö ¼ÙÉè»ìºÏÎïÍêȫΪ£¨NH4£©2SO4ʱÏûºÄNaOHµÄÁ¿×îС£¬7.24g£¨NH4£©2SO4µÄÎïÖʵÄÁ¿Îª$\frac{7.24g}{132g/mol}$¡Ö0.0548mol£¬ÏûºÄÇâÑõ»¯ÄƵÄÎïÖʵÄÁ¿Îª0.0548mol¡Á2=0.1096mol£¾0.1mol£¬ËµÃ÷ÇâÑõ»¯ÄƵÄÎïÖʵÄÁ¿²»×㣬
£¨NH4£©2SO4ºÍNH4HSO4»ìºÏÎïÑùÆ·ÖмÓÈëÇâÑõ»¯ÄÆÈÜÒººó£¬ÏÈÓë·´Ó¦NH4HSO4£¬È»ºóÓ루NH4£©2SO4·´Ó¦Éú³É°±Æø£¬±ê×¼×´¿öÏÂÉú³É°±ÆøµÄÎïÖʵÄÁ¿Îª£º$\frac{1792¡Á1{0}^{-3}L}{22.4L/mol}$=0.08mol£¬
ÔòÓëÇâÀë×Ó·´Ó¦ÏûºÄNaOHµÄÎïÖʵÄÁ¿Îª0.1mol-0.08mol=0.02mol£¬¹ÊNH4HSO4µÄÎïÖʵÄÁ¿Îª0.02mol£¬
ËùÒÔ£¨NH4£©2SO4µÄÖÊÁ¿Îª7.24g-115g/mol¡Á0.02mol=4.94g£¬ÆäÎïÖʵÄÁ¿Îª$\frac{4.94g}{132g/mol}$¡Ö0.0374mol£¬ÒÔ´ËÀ´½â´ð£®

½â´ð ½â£ºA£®ÓÉÉÏÊö·ÖÎö¿ÉÖª£¬ÔòNaOHÏÈÓëNH4HSO4·´Ó¦£¬ºóÓ루NH4£©2SO4·´Ó¦£¬¹ÊA´íÎó£»
B£®£¨NH4£©2SO4ÔÚË®ÖеĵçÀë·½³ÌʽΪ£¨NH4£©2SO4=2NH4++SO42-£¬×ñÑ­µçºÉÊغ㣬¹ÊB´íÎó£»
C£®NH4HSO4µÄÎïÖʵÄÁ¿ÊÇ0.02 mol£¬¹ÊC´íÎó£»
D£®£¨NH4£©2SO4ºÍNH4HSO4µÄÎïÖʵÄÁ¿±ÈΪ0.0375mol£º0.02mol=1.87£º1£¬¹ÊDÕýÈ·£»
¹ÊÑ¡D£®

µãÆÀ ±¾Ì⿼²é»ìºÏÎïµÄ¼ÆË㣬Ϊ¸ßƵ¿¼µã£¬°ÑÎÕ¼«ÐÔ·¨ÅжϷ¢ÉúµÄ·´Ó¦Îª½â´ðµÄ¹Ø¼ü£¬²àÖØ·ÖÎöÓë¼ÆËãÄÜÁ¦µÄ¿¼²é£¬×¢Òâ·´Ó¦µÄÏȺó˳Ðò£¬ÌâÄ¿ÄѶȲ»´ó£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ

2£®ÊµÑéÊÒÀïÓÉ´ÖÑÎÖƱ¸¾«ÑεÄʵÑéÖУ¬±ØÐèµÄ²Ù×÷²½ÖèÓУ¨¡¡¡¡£©
A£®·ÖÒºB£®¹ýÂËC£®ÈܽâD£®Õô·¢½á¾§

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

3£®ÓÉij¾«¿óʯ£¨MCO3•ZCO3£©¿ÉÒÔÖƱ¸µ¥ÖÊM£¬ÖƱ¸¹ý³ÌÖÐÅŷųöµÄ¶þÑõ»¯Ì¼¿ÉÒÔ×÷ΪԭÁÏÖƱ¸¼×´¼£®È¡¸Ã¿óʯÑùÆ·1.84g£¬¸ßÎÂ×ÆÉÕÖÁºãÖØ£¬µÃµ½0.96g½öº¬Á½ÖÖ½ðÊôÑõ»¯ÎïµÄ¹ÌÌ壬ÆäÖÐm£¨M£©£ºm£¨Z£©=3£º5£®Çë»Ø´ð£º

£¨1£©¸Ã¿óʯµÄ»¯Ñ§Ê½ÎªMgCO3•CaCO3£®
£¨2£©¢ÙÒԸÿóʯ×ÆÉÕºóµÄ¹ÌÌå²úÎïΪԭÁÏ£¬Õæ¿Õ¸ßÎÂÌõ¼þÏÂÓõ¥Öʹ軹ԭ£¬½öµÃµ½µ¥ÖÊMºÍÒ»ÖÖº¬ÑõËáÑΣ¨Ö»º¬Z¡¢SiºÍO£¬ÇÒZºÍSiµÄÎïÖʵÄÁ¿Ö®±ÈΪ2£º1£©£®Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º2MgO+2CaO+Si$\frac{\underline{\;Õæ¿Õ¸ßÎÂ\;}}{\;}$2Mg+Ca2SiO4£®
¢Úµ¥ÖÊM»¹¿ÉÒÔͨ¹ýµç½âÈÛÈÚMCl2µÃµ½£®²»ÄÜÓõç½âMCl2ÈÜÒºµÄ·½·¨ÖƱ¸MµÄÀíÓÉÊǵç½âMgCl2ÈÜҺʱ£¬Òõ¼«ÉÏH+±ÈMg2+ÈÝÒ׵õ½µç×Ó£¬µç¼«·´Ó¦Ê½Îª2H2O+2e-=H2¡ü+2OH-£¬ËùÒԵò»µ½Ã¾µ¥ÖÊ£®
£¨3£©Ò»¶¨Ìõ¼þÏ£¬ÓÉCO2ºÍH2ÖƱ¸¼×´¼µÄ¹ý³ÌÖк¬ÓÐÏÂÁз´Ó¦£º
·´Ó¦1£ºCO2£¨g£©+H2£¨g£©?CO£¨g£©+H2O£¨g£©¡÷H1
·´Ó¦2£ºCO£¨g£©+2H2£¨g£©?CH3OH£¨g£©¡÷H2
·´Ó¦3£ºCO2£¨g£©+3H2£¨g£©?CH3OH£¨g£©+H2O£¨g£©¡÷H3
Æä¶ÔÓ¦µÄƽºâ³£Êý·Ö±ðΪK1¡¢K2¡¢K2£¬ËüÃÇËæζȱ仯µÄÇúÏßÈçͼ1Ëùʾ£®
Ôò¡÷H2СÓÚ£¨Ìî¡°´óÓÚ¡±¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©¡÷H3£¬ÀíÓÉÊÇÇúͼl¿ÉÖª£¬Ëæ×ÅζÈÉý¸ß£¬K1Ôö´ó£¬Ôò¡÷H1£¾0£¬¸ù¾Ý¸Ç˹¶¨ÂÉÓֵá÷H3=¡÷H1+¡÷H2£¬ËùÒÔ¡÷H2£¼¡÷H3£®
£¨4£©ÔÚζÈΪT1ʱ£¬Ê¹Ìå»ý±ÈΪ3£º1µÄH2ºÍCO2ÔÚÌå»ýºã¶¨µÄÃܱÕÈÝÆ÷ÄÚ½øÐз´Ó¦£®T1ζÈϼ״¼Å¨¶ÈËæʱ¼ä±ä»¯ÇúÏßÈçͼ2Ëùʾ£»²»¸Ä±äÆäËûÌõ¼þ£¬¼Ù¶¨tʱ¿ÌѸËÙ½µÎµ½T2£¬Ò»¶Îʱ¼äºóÌåϵÖØдﵽƽºâ£®ÊÔÔÚͼÖл­³ötʱ¿Ìºó¼×´¼Å¨¶ÈËæʱ¼ä±ä»¯ÖÁƽºâµÄʾÒâÇúÏߣ®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

9£®½«2mol XºÍ2mol Y³äÈë2LÃܱÕÈÝÆ÷Öз¢Éú·´Ó¦£ºX£¨g£©+3Y£¨g£©?2Z£¨g£©+a Q£¨g£©£®2min´ïµ½Æ½ºâʱÉú³É0.8mol Z£¬²âµÃQµÄŨ¶ÈΪ0.4mol/L£¬ÏÂÁÐÐðÊö´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®YµÄת»¯ÂÊΪ60%B£®·´Ó¦ËÙÂÊv£¨Y£©=0.3 mol/£¨L•min£©
C£®aµÄֵΪ2D£®Æ½ºâʱXµÄŨ¶ÈΪ0.2 mol/L

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

16£®ÏÂÁÐʵÑé·½°¸µÄÉè¼ÆÖУ¬¿ÉÐеÄÊÇ£¨¡¡¡¡£©
A£®¼ÓÏ¡ÑÎËáºó¹ýÂË£¬³ýÈ¥»ìÔÚÍ­·ÛÖеÄÉÙÁ¿Ã¾·ÛºÍÂÁ·Û
B£®ÓÃÝÍÈ¡µÄ·½·¨·ÖÀëúÓͺÍÆûÓÍ
C£®ÓÃÈܽ⡢¹ýÂ˵ķ½·¨·ÖÀëKNO3ºÍNaCl¹ÌÌåµÄ»ìºÏÎï
D£®ÏòijÈÜÒºÖÐÏȼÓBaCl2ÈÜÒº£¬ÈôÓа×É«³Áµí£¬ÔÙ¼ÓÏ¡ÑÎËᣬ³Áµí²»Èܽ⣬¿É¼ìÑéÆäÖк¬ÓÐSO${\;}_{4}^{2-}$

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

6£®°´ÈçͼËùʾµÄ×°ÖýøÐеç½âʵÑ飮A¼«ÊÇÍ­ÄøºÏ½ð£¬B¼«Îª´¿Í­£¬µç½âÖÊÈÜҺΪÁòËáÍ­ÈÜÒº£¨×ãÁ¿£©£®Í¨µçÒ»¶Îʱ¼äºó£¬A¼«Ç¡ºÃÈ«²¿Èܽ⣬´ËʱB¼«ÖÊÁ¿Ôö¼Ó3.2g£¬ÈÜÒºÖÊÁ¿Ôö¼Ó0.05g£¬£¨ÒÑÖªÑõ»¯ÐÔ£¬Cu2+£¾Ni2+£©ÔòAºÏ½ðÖÐÍ­¡¢ÄøÔ­×Ó¸öÊý±ÈΪ£¨¡¡¡¡£©
A£®4£º1B£®3£º1C£®2£º1D£®1£º1

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

13£®ÓÐA¡¢BÁ½ÖÖÔ­×Ó£¬AÔ­×ÓµÄM²ã±ÈBÔ­×ÓµÄM²ãÉÙ3¸öµç×Ó£¬BÔ­×ÓµÄL²ãµç×ÓÊýÇ¡ºÃΪAÔ­×ÓL²ãµç×ÓÊýµÄ2±¶£®ÔòA¡¢B·Ö±ðÊÇ£¨¡¡¡¡£©
A£®¹èÔ­×ÓºÍÄÆÔ­×ÓB£®Í­Ô­×Ӻͺ¤Ô­×ÓC£®Ì¼Ô­×ÓºÍÂÁÔ­×ÓD£®ÑõÔ­×ÓºÍ̼ԭ×Ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

10£®Ä³¹¤³§ÅŷŵÄÎÛˮֻ¿ÉÄܺ¬Na+¡¢K+¡¢NH4+¡¢Mg2+¡¢Fe3+¡¢SO32-¡¢SO42-ºÍCl-Öеļ¸ÖÖ£¨ºöÂÔÓÉË®µçÀë²úÉúµÄH+¡¢OH-£©£®½«ÊÔÑùƽ¾ù·Ö³É¼×¡¢ÒÒ¡¢±û¸÷l00mLÈý·Ý£¬Ã¿´Î¾ù¼ÓÈë×ãÁ¿µÄÊÔ¼Á£¬Éè¼ÆÈçÏÂʵÑ飮ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®·ÏË®¿ÉÄܺ¬ÓÐNa+¡¢K+¡¢Fe3+
B£®¿ÉÄÜ´æÔÚµÄÀë×ÓÓÃÑæÉ«·´Ó¦½øÒ»²½¼ìÑéÈ·ÈÏ
C£®·Ïˮһ¶¨º¬ÓÐCl-¡¢SO42-ºÍMg2+£¬ÇÒc£¨Cl-£©=0.2mol•L-1
D£®·Ïˮһ¶¨²»º¬ SO32-¡¢Cl-¡¢NH4+¡¢Na+¡¢K+¡¢Fe3+

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

11£®ÏÂÁÐ×°ÖúÍÊÔ¼Á£¨Î²Æø´¦ÀíÂÔÈ¥£©ÄܴﵽʵÑéÄ¿µÄÊÇ£¨¡¡¡¡£©
Ñ¡ÏîABCD
×°ÖúÍÊÔ¼Á
ʵÑéÄ¿µÄ¼ìÑéNO2ÖлìÓÐäåÕôÆû·ÖÀ볱ʪµÄNaOHºÍI2ÑéÖ¤NH4NO3ÈܽâÎüÈÈÖƱ¸ºÍÊÕ¼¯SO2
A£®AB£®BC£®CD£®D

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸