15£®ÈçͼËùʾ£¬Ò»ÃܱÕÈÝÆ÷±»ÎÞĦ²Á¡¢¿É»¬¶¯µÄÁ½¸ô°åa¡¢b·Ö³É¼×¡¢ÒÒÁ½ÊÒ£»±ê×¼×´¿öÏ£¬ÔÚÒÒÊÒÖгäÈëNH3 0.4mol£¬¼×ÊÒÖгäÈëHCl¡¢N2µÄ»ìºÏÆøÌ壬¾²Ö¹Ê±¸ô°åλÖÃÈçͼËùʾ£®ÒÑÖª¼×¡¢ÒÒÁ½ÊÒÖÐÆøÌåµÄÖÊÁ¿²îΪ17.3g£®

£¨1£©¼×ÊÒÖÐÆøÌåµÄÖÊÁ¿Îª24.1g£®
£¨2£©¼×ÊÒÖÐHCl¡¢N2µÄÎïÖʵÄÁ¿Ö®±ÈΪ1£º3£®
£¨3£©½«¸ô°åaÈ¥µô£¬µ±HClÓëNH3³ä·Ö·´Ó¦Éú³ÉNH4Cl¹ÌÌåºó£¨½ö·¢Éú´Ë·´Ó¦£©£¬¸ô°åb½«Î»Óڿ̶ȡ°4¡±´¦£¨ÌîÊý×Ö£¬²»¿¼ÂǹÌÌåÎïÖʲúÉúµÄѹǿ£©£¬´ËʱÌåϵµÄƽ¾ùĦ¶ûÖÊÁ¿25.25g/mol£®

·ÖÎö £¨1£©ÒÒÊÒÖгäÈëNH3£¬¸ù¾Ým=nMÇó³ö°±ÆøµÄÖÊÁ¿£¬¸ù¾ÝÖÊÁ¿²îÇó³ö¼×ÖÐÆøÌåµÄÖÊÁ¿£»
£¨2£©¸ù¾Ý¼×ÊÒÖÐÆøÌåµÄÎïÖʵÄÁ¿ºÍÖÊÁ¿¼ÆËãHClºÍµªÆøµÄÎïÖʵÄÁ¿Ö®±È£»
£¨3£©¸ù¾ÝÊ£ÓàÆøÌåµÄÎïÖʵÄÁ¿¼ÆËãÊ£ÓàÆøÌåËùÕ¼Ìå»ý£¬´Ó¶øÈ·¶¨bµÄλÖ㬸ù¾ÝM=$\frac{m}{n}$¼ÆË㣮

½â´ð ½â£º£¨1£©ÒÒÊÒÖгäÈëNH3£¬Ôò°±ÆøµÄÖÊÁ¿Îªm=nM=0.4mol¡Á17g/mol=6.8g£¬ÒÑÖª¼×¡¢ÒÒÁ½ÊÒÖÐÆøÌåµÄÖÊÁ¿²îΪ17.3g£¬Ôò¼×ÖÐÆøÌåµÄÖÊÁ¿Îª17.3g+6.8g=24.1g£¬
¹Ê´ð°¸Îª£º24.1g£»
£¨2£©ÏàͬÌõ¼þÏ£¬ÆøÌåµÄÎïÖʵÄÁ¿Ö®±ÈµÈÓÚÆäÌå»ýÖ®±È£¬¿´Í¼¿ÉÖª¼×¡¢ÒÒÁ½ÊÒÆøÌåµÄÌå»ý±ÈΪ2£º1£¬¹ÊÆäÎïÖʵÄÁ¿Ö®±ÈΪ2£º1£¬ÔÚÒÒÊÒÖгäÈëNH3 0.4mol£¬ËùÒÔ¼×ÊÒÖÐÆøÌåΪ0.8mol£¬¼×ÖÐÆøÌåµÄÖÊÁ¿Îª24.1g£¬
ÉèHClµÄÎïÖʵÄÁ¿Îªx£¬µªÆøµÄÎïÖʵÄÁ¿Îªy£¬
¸ù¾ÝÆäÎïÖʵÄÁ¿¡¢ÖÊÁ¿Áз½³Ì×éΪ£º$\left\{\begin{array}{l}{x+y=0.8}\\{36.5x+28y=24.1}\end{array}\right.$£¬½âµÃx=0.2mol£¬y=0.6mol£¬ËùÒÔHCl¡¢N2µÄÎïÖʵÄÁ¿Ö®±ÈΪ0.2mol£º0.6mol=1£º3£¬
¹Ê´ð°¸Îª£º1£º3£»
£¨3£©ÒÒÊÒÖÐNH3µÄÎïÖʵÄÁ¿Îª0.4mol£¬¼×ÖÐHClµÄÎïÖʵÄÁ¿Îª0.2mol£¬ËùÒÔ·´Ó¦Éú³ÉNH4Cl¹ÌÌ壬ʣÓàNH3µÄÎïÖʵÄÁ¿Îª0.2mol£¬Ê£ÓàµÄÆøÌå×ÜÎïÖʵÄÁ¿Îª0.8mol£¬ÏàͬÌõ¼þÏ£¬ÆøÌåµÄÌå»ýÖ®±ÈµÈÓÚÆäÎïÖʵÄÁ¿Ö®±È£¬¿ªÊ¼Ê±ÆøÌå×ÜÎïÖʵÄÁ¿Îª1.2mol£¬Æä»îÈûbÔÚ6´¦£¬ÏÖÔÚÆøÌå×ÜÎïÖʵÄÁ¿Îª0.8mol£¬ËùÒÔ»îÈûb½«»á×óÒÆÖÁ¡°4¡±´¦£»ÌåϵµÄƽ¾ùĦ¶ûÖÊÁ¿M=$\frac{m}{n}$=$\frac{0.2mol¡Á17g/mol+0.6mol¡Á28g/mol}{0.2mol+0.6mol}$=25.25g/mol£»
¹Ê´ð°¸Îª£º4£»25.25g/mol£®

µãÆÀ ±¾Ì⿼²éÎïÖʵÄÁ¿¼°Å¨¶ÈµÄ¼ÆË㣬°ÑÎÕÎïÖʵÄÁ¿ÎªÖÐÐĵĻù±¾¼ÆË㹫ʽ¼°Ã÷È·ÏàͬÌõ¼þÏÂÆøÌåµÄÌå»ýÖ®±ÈµÈÓÚÎïÖʵÄÁ¿Ö®±ÈΪ½â´ðµÄ¹Ø¼ü£¬²àÖØ·ÖÎöÓë¼ÆËãÄÜÁ¦µÄ¿¼²é£¬ÌâÄ¿ÄѶÈÖеȣ®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

5£®ÓÐÈýÖÖÌþ£ºA ¼×Íé B ±½CÒÒÏ©·Ö±ðÈ¡Ò»¶¨Á¿µÄÕâЩÌþÍêȫȼÉÕ£¬Éú³Ém molµÄCO2ºÍ n molµÄH2O£¬m=nʱ£¬ÌþΪC£» 2m=nʱ£¬ÌþΪA£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

6£®±ê×¼×´¿öÏ£¬½«a L SO2ºÍCl2×é³ÉµÄ»ìºÏÆøÌåͨÈë100mL 0.1mol•L-1Fe2£¨SO4£©3ÈÜÒºÖУ¬³ä·Ö·´Ó¦ºó£¬ÈÜÒºµÄ×Ø»ÆÉ«±ädz£®Ïò·´Ó¦ºóµÄÈÜÒºÖмÓÈë×ãÁ¿µÄBaCl2ÈÜÒº£¬½«ËùµÃ³Áµí¹ýÂË¡¢Ï´µÓ¡¢¸ÉÔïºó³ÆÖØ£¬ÆäÖÊÁ¿Îª11.65g£®ÔòÏÂÁйØÓڸùý³ÌµÄÍƶϲ»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ËùµÃ³ÁµíΪ0.05 molµÄBaSO4B£®»ìºÏÆøÌåÖÐSO2µÄÌå»ýΪ0.448L
C£®a L»ìºÏÆøÌåµÄÎïÖʵÄÁ¿Îª0.04molD£®aµÄÈ¡Öµ·¶Î§Îª0.672£¼a£¼0.896

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

3£®ÊµÑéÊÒÓÃÂÈ»¯ÄƹÌÌåÅäÖÆ1.00mol/LµÄNaClÈÜÒº0.5L£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çëд³ö¸ÃʵÑéµÄʵÑé²½Ö裺
¢Ù¼ÆË㣬¢Ú³ÆÁ¿£¬¢ÛÈܽ⣬¢ÜÒÆÒº£¬¢ÝÏ´µÓ£¬¢Þ¶¨ÈÝ
£¨2£©ËùÐèÒÇÆ÷Ϊ£ºÈÝÁ¿Æ¿500mL£¨¹æ¸ñ£º£©¡¢ÍÐÅÌÌìƽ¡¢»¹ÐèÒªÄÇЩʵÑéÒÇÆ÷²ÅÄÜÍê³É¸ÃʵÑ飬Çëд³öÉÕ±­¡¢²£Á§°ô¡¢½ºÍ·µÎ¹Ü
£¨3£©ÊÔ·ÖÎöÏÂÁвÙ×÷¶ÔËùÅäÈÜÒºµÄŨ¶ÈÓкÎÓ°Ïì¼°Ôì³É¸ÃÓ°ÏìµÄÔ­Òò£®
¢ÙΪ¼ÓËÙ¹ÌÌåÈܽ⣬¿ÉÉÔ΢¼ÓÈȲ¢²»¶Ï½Á°è£®ÔÚδ½µÖÁÊÒÎÂʱ£¬Á¢¼´½«ÈÜҺתÒÆÖÁÈÝÁ¿Æ¿¶¨ÈÝ£®¶ÔËùÅäÈÜҺŨ¶ÈµÄÓ°Ï죺ƫ´ó£¬Ô­ÒòÊÇ£ºÊÜÈÈÅòÕÍʱÌå»ýΪ0.5 L£¬ÀäÈ´ÖÁÊÒÎÂʱÈÜÒºÌå»ý±äС
¢Ú¶¨Èݺ󣬼Ӹǵ¹×ªÒ¡ÔȺ󣬷¢ÏÖÒºÃæµÍÓڿ̶ÈÏߣ¬ÓֵμÓÕôÁóË®ÖÁ¿Ì¶È£®¶ÔËùÅäÈÜҺŨ¶ÈµÄÓ°Ï죺ƫС£¬Ô­ÒòÊÇ£ºÈÜÒºÌå»ýÔö´ó£¬ÈÜÖʵÄÎïÖʵÄÁ¿²»±ä£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

10£®A¡¢B¡¢C¡¢D¡¢E¡¢FÁùÖÖÎïÖÊÔÚÒ»¶¨Ìõ¼þÏÂÓÐÈçͼËùʾµÄÏ໥ת»¯¹Øϵ£®

£¨1£©ÈôÏÂÁз´Ó¦¢ÙΪ²»Í¬¶ÌÖÜÆÚ¡¢²»Í¬Ö÷×åÔªËؼäÖû»·´Ó¦£¬A¡¢DΪ¹ÌÌåµ¥ÖÊ£¬ÆäÖÐDΪ·Ç½ðÊô£®Ôò·´Ó¦¢ÙµÄ»¯Ñ§·½³ÌʽΪ2Mg+CO2 $\frac{\underline{\;µãȼ\;}}{\;}$2MgO+C£®
£¨2£©ÈôÏÂÁз´Ó¦¢ÚÖÐEΪһÖÖһԪǿ¼î£¬CµÄ´óÁ¿ÅŷŲúÉúÎÂÊÒЧӦ£®ÔòÔÚ·´Ó¦¢ÚÖУ¬ÈôC¡¢EµÄÎïÖʵÄÁ¿Ö®±ÈΪ11£º17£¬Ôò·´Ó¦µÄÀë×Ó·½³ÌʽΪ11CO2+17OH-=6CO32-+5HCO3-+6H2O£®
£¨3£©ÈôÏÂÁз´Ó¦¢ÛÖÐBΪһÖÖµ­»ÆÉ«¹ÌÌ壬ÂÌÉ«Ö²ÎïµÄ¹âºÏ×÷ÓúͺôÎü×÷ÓÿÉʵÏÖ×ÔÈ»½çÖÐEµÄÑ­»·£®ÔòBµÄµç×ÓʽΪ£®·´Ó¦¢ÛµÄ»¯Ñ§·½³ÌʽΪ2CO2+2Na2O2=2Na2CO3+O2£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

20£®Ä³Ñ§ÉúÓûÅäÖÆ6.0mol?L-1µÄH2SO4ÈÜÒº1000mL£¬ÊµÑéÊÒÓÐÈýÖÖ²»Í¬Ìå»ý²»Í¬Å¨¶ÈµÄÁòË᣺¢Ù480mL 0.5mol?L-1µÄÁòË᣻¢Ú150mL 25%µÄÁòËᣨ¦Ñ=1.18g?mL-1£©£»¢Û×ãÁ¿µÄ18mol?L-1µÄÁòËᣮÓÐÈýÖÖ¹æ¸ñµÄÈÝÁ¿Æ¿£º250mL¡¢500mL¡¢1000mL£®ÀÏʦҪÇó°Ñ¢Ù¡¢¢ÚÁ½ÖÖÁòËáÈ«²¿ÓÃÍ꣬²»×ãµÄ²¿·ÖÓÉ¢ÛÀ´²¹³ä£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÊµÑéÖÐ25%µÄÁòËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ3.0mol?L-1£¨±£Áô1λСÊý£©
£¨2£©ÅäÖƸÃÁòËáÈÜҺӦѡÓÃÈÝÁ¿Æ¿µÄ¹æ¸ñΪ1000mL£®
£¨3£©ÅäÖÆʱ£¬¸Ãͬѧ²Ù×÷˳ÐòÈçÏ£¬²¢½«²Ù×÷²½ÖèD²¹³äÍêÕû£®
A£®½«¢Ù¡¢¢ÚÁ½ÈÜҺȫ²¿ÔÚÉÕ±­ÖлìºÏ¾ùÔÈ£»
B£®ÓÃÁ¿Í²×¼È·Á¿È¡ËùÐèµÄ18mol?L-1µÄŨÁòËá295.0mL£¬Ñز£Á§°ôµ¹ÈëÉÏÊö»ìºÏÒºÖУ®²¢Óò£Á§°ô½Á¶¯£¬Ê¹Æä»ìºÏ¾ùÔÈ£»
C£®½«»ìºÏ¾ùÔȵÄÁòËáÑز£Á§°ô×¢ÈëËùÑ¡µÄÈÝÁ¿Æ¿ÖУ»
D£®ÓÃÊÊÁ¿µÄˮϴµÓ±­ºÍ²£Á§°ô2-3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿ÖУ»
E£®Õñµ´£¬¼ÌÐøÏòÈÝÁ¿Æ¿ÖмÓÈ룬ֱµ½ÒºÃæ½Ó½ü¿Ì¶ÈÏß1¡«2cm£»
F£®¸ÄÓýºÍ·µÎ¼ÓË®£¬Ê¹ÈÜÒºµÄ°¼ÒºÃæÇ¡ºÃÓë¿Ì¶ÈÏàÇУ»
G£®½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ£®
£¨4£©Èç¹ûÊ¡ÂÔ²Ù×÷D¶ÔËùÅäÈÜҺŨ¶ÈÓкÎÓ°Ï죺ƫС£®£¨Ìî¡°Æ«´ó¡±¡°Æ«Ð¡¡±»ò¡°ÎÞÓ°Ï족£©
£¨5£©½øÐвÙ×÷CÇ°»¹Ðè×¢Ò⽫ϡÊͺóµÄÁòËáÀäÈ´µ½ÊÒΣ®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

7£®ÔÚÒ»¶¨Î¶ÈÏ£¬¿ÉÄæ·´Ó¦X£¨g£©+3Y£¨g£©?2Z£¨g£©´ïµ½Æ½ºâµÄ±êÖ¾ÊÇ£¨¡¡¡¡£©
A£®µ¥Î»Ê±¼äÄÚÉú³ÉamolX£¬Í¬Ê±Éú³É3amolY
B£®X¡¢Y¡¢ZµÄ·Ö×ÓÊýÖ®±ÈΪ1£º3£º2
C£®ZµÄÉú³ÉËÙÂÊÓëZµÄ·Ö½âËÙÂÊÏàµÈ
D£®µ¥Î»Ê±¼äÉú³É3amolY£¬Í¬Ê±Éú³É3amolZ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

4£®ÏÂÁÐʾÒâͼÓë¶ÔÓ¦µÄ·´Ó¦Çé¿öÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®
º¬0.01 mol NaOHºÍ0.01 mol Ba£¨OH£©2µÄ»ìºÏÈÜÒºÖлºÂýͨÈëCO2
B£®
KHCO3ÈÜÒºÖÐÖðµÎ¼ÓÈëBa£¨OH£©2ÈÜÒº
C£®
KAl£¨SO4£©2ÈÜÒºÖÐÖðµÎ¼ÓÈëBa£¨OH£©2ÈÜÒº
D£®
Ïòº¬ÓÐÉÙÁ¿ÇâÑõ»¯ÄƵÄÆ«ÂÁËáÄÆÈÜÒºÖеμÓÑÎËá

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

5£®ÀúÊ·ÉÏ×îÔçÓ¦ÓõĻ¹Ô­ÐÔȾÁÏÊǵåÀ¶£¬Æä½á¹¹¼òʽÈçͼ£®ÏÂÁйØÓÚµåÀ¶µÄÐðÊöÖдíÎóµÄÊÇ£¨¡¡¡¡£©
A£®¸ÃÎïÖÊÊôÓÚ·¼Ïã×廯ºÏÎïB£®ËüµÄ·Ö×ÓʽÊÇC16H10N2O2
C£®µåÀ¶ÍêȫȼÉÕÉú³É¶þÑõ»¯Ì¼ºÍË®D£®ËüÊDz»±¥ºÍµÄÓлúÎï

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸