·ÖÎö £¨2£©ÑÎËáÓ¦ÓÃËáʽµÎ¶¨¹ÜÁ¿È¡£»
£¨3£©´ý²âҺΪNaOH£¬Ñ¡Ôñ¼îʽµÎ¶¨¹Ü»òÒÆÒº¹Ü£»Óü׻ù³È×÷ָʾ¼Áʱ£¬µÎ¶¨Ç°£¬¼×»ù³ÈÓö¼î±ä»Æ£¬µÎ¶¨ºóÈô±ä³ÈÉ«£¬Í£Ö¹µÎ¶¨£»
£¨4£©c£¨HCl£©=0.2mol/L£¬V£¨HCl£©=20.00mL£¬V£¨NaOH£©=20.00mL£¬ÓÉc£¨ËᣩV£¨Ëᣩ=c£¨¼î£©V£¨¼î£©¼ÆËãc£¨NaOH£©£¬½øÒ»²½¼ÆËã500mLÈÜÒºÖÐNaOHµÄÎïÖʵÄÁ¿£¬ÀûÓÃÑùÆ·µÄÖÊÁ¿5.0g¼ÆËãÖÊÁ¿·ÖÊý£»
£¨5£©¸ù¾Ýc£¨´ý²â£©=$\frac{V£¨±ê×¼£©¡Ác£¨±ê×¼£©}{V£¨´ý²â£©}$·ÖÎö²»µ±²Ù×÷¶ÔV£¨±ê×¼£©µÄÓ°Ï죬ÒÔ´ËÅжÏŨ¶ÈµÄÎó²î£»
£¨6£©AÓëC¿Ì¶È¼äÏà²î1mL£¬ËµÃ÷ÿÁ½¸öС¸ñÖ®¼äÊÇ0.1mL£¬A´¦µÄ¿Ì¶ÈΪ25.00mL£¬¾Ý´ËÈ·¶¨BµÄ¿Ì¶È£¬×¢ÒâµÎ¶¨¹ÜµÄÉÏÃæÊýֵС£¬ÏÂÃæÊýÖµ´ó£¬µÎ¶¨¹Ü»îÈûÏ·½»òÏðƤ¹ÜÎ޿̶ȣ®
½â´ð ½â£º£¨2£©ÑÎËáÓ¦ÓÃËáʽµÎ¶¨¹ÜÁ¿È¡£¬¹Ê´ð°¸Îª£ºËáʽ£»
£¨3£©´ý²âҺΪNaOH£¬Ñ¡Ôñ¼îʽµÎ¶¨¹Ü£¬·ÅÔÚ׶ÐÎÆ¿ÖУ»Ó÷Ó̪×÷ָʾ¼Áʱ£¬µÎ¶¨Ç°£¬·Ó̪Óö¼î±äºì£¬µ½´ïµÎ¶¨ÖÕµãʱ¹Û²ìµ½ÈÜÒºÑÕÉ«ÓɺìÉ«±äΪÎÞÉ«£¬
¹Ê´ð°¸Îª£º¼îʽµÎ¶¨¹Ü¡¢×¶ÐÎÆ¿£»ºìÉ«£»ÎÞ£»
£¨4£©c£¨HCl£©=0.2mol•L-1£¬V£¨HCl£©=20.00mL£¬V£¨NaOH£©=20.00mL£¬ÓÉc£¨ËᣩV£¨Ëᣩ=c£¨¼î£©V£¨¼î£©¿ÉÖªc£¨NaOH£©=0.2mol/L£¬
Ôò500mLÈÜÒºÖÐNaOHµÄÎïÖʵÄÁ¿Îª0.5L¡Á0.2mol/L=0.1mol£¬ÔòNaOHµÄÖÊÁ¿Îª0.1mol¡Á40g/mol=4.0g£¬ËùÒÔ5.0gÑùÆ·ÖÐNaOHµÄÖÊÁ¿·ÖÊýΪ$\frac{4.0g}{5.0g}$¡Á100%=80.0%£»
¹Ê´ð°¸Îª£º80.0%£»
£¨5£©A£®×ªÒÆ´ý²âÒºÖÁÈÝÁ¿Æ¿Ê±£¬Î´Ï´µÓÉÕ±£¬NaOHµÄÎïÖʵÄÁ¿¼õÉÙ£¬µ¼ÖÂV£¨Ëᣩ¼õÉÙ£¬¸ù¾Ýc£¨´ý²â£©=$\frac{V£¨±ê×¼£©¡Ác£¨±ê×¼£©}{V£¨´ý²â£©}$·ÖÎö£¬c£¨´ý²â£©Æ«µÍ£¬ÔòÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊýÆ«µÍ£¬¹ÊAÕýÈ·£»
B£®ËáʽµÎ¶¨¹ÜÓÃÕôÁóˮϴµÓºó£¬Ö±½Ó×°ÑÎËᣬÑÎËáµÄŨ¶ÈÆ«µÍ£¬µ¼ÖÂV£¨Ëᣩƫ´ó£¬¸ù¾Ýc£¨´ý²â£©=$\frac{V£¨±ê×¼£©¡Ác£¨±ê×¼£©}{V£¨´ý²â£©}$·ÖÎö£¬c£¨´ý²â£©Æ«´ó£¬ÔòÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊýÆ«¸ß£¬¹ÊB´íÎó£»
C£®µÎ¶¨Ê±£¬·´Ó¦ÈÝÆ÷Ò¡¶¯Ì«¼¤ÁÒ£¬ÓÐÉÙÁ¿ÒºÌ彦³ö£¬NaOHµÄÎïÖʵÄÁ¿¼õÉÙ£¬µ¼ÖÂV£¨Ëᣩ¼õÉÙ£¬¸ù¾Ýc£¨´ý²â£©=$\frac{V£¨±ê×¼£©¡Ác£¨±ê×¼£©}{V£¨´ý²â£©}$·ÖÎö£¬c£¨´ý²â£©Æ«µÍ£¬ÔòÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊýÆ«µÍ£¬¹ÊCÕýÈ·£»
D£®µÎ¶¨µ½ÖÕµãʱ£¬µÎ¶¨¹Ü¼â×ìÐüÓÐÒºµÎ£¬µ¼ÖÂV£¨Ëᣩƫ´ó£¬¸ù¾Ýc£¨´ý²â£©=$\frac{V£¨±ê×¼£©¡Ác£¨±ê×¼£©}{V£¨´ý²â£©}$·ÖÎö£¬c£¨´ý²â£©Æ«´ó£¬ÔòÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊýÆ«¸ß£¬¹ÊD´íÎó£»
E£®¶ÁËáʽµÎ¶¨¹Ü¿ªÊ¼Ê±ÑöÊÓ£¬¶ÁÊýÆ«´ó£¬¶ø¶ÁÖÕµãʱ¸©ÊÓ£¬¶ÁÊýƫС£¬¶þÕßÖ®²îƫС£¬µ¼ÖÂV£¨Ëᣩ¼õÉÙ£¬¸ù¾Ýc£¨´ý²â£©=$\frac{V£¨±ê×¼£©¡Ác£¨±ê×¼£©}{V£¨´ý²â£©}$·ÖÎö£¬c£¨´ý²â£©Æ«µÍ£¬ÔòÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊýÆ«µÍ£¬¹ÊEÕýÈ·£»
¹Ê´ð°¸Îª£ºACE£»
£¨6£©AÓëC¿Ì¶È¼äÏà²î1mL£¬ËµÃ÷ÿÁ½¸öС¸ñÖ®¼äÊÇ0.10mL£¬A´¦µÄ¿Ì¶ÈΪ25.00mL£¬AºÍBÖ®¼äÊÇËĸöС¸ñ£¬ËùÒÔÏà²î0.40mL£¬ÔòBÊÇ25.40mL£»µÎ¶¨¹Ü¿Ì¶ÈÖµ´ÓÉϵ½Ï¿̶ÈÖð½¥Ôö´ó£¬ÓÉÓڵζ¨¹Ü»îÈûÏ·½»òÏðƤ¹ÜÎ޿̶ȣ¬50mLµÎ¶¨¹ÜÖÐʵ¼ÊÊ¢·ÅÒºÌåµÄÌå»ý´óÓÚ50mL£¬Èç¹ûÒºÃæ´¦µÄ¶ÁÊýÊÇa£¬ÔòµÎ¶¨¹ÜÖÐÒºÌåµÄÌå»ý´óÓÚ£¨50-a£©mL£¬
¹Ê´ð°¸Îª£º25.40£»´óÓÚ£®
µãÆÀ ±¾Ì⿼²éÖк͵樣¬°ÑÎյζ¨ÔÀí¡¢ÊµÑéÒÇÆ÷¼°Îó²î·ÖÎöΪ½â´ðµÄ¹Ø¼ü£¬×¢ÒâÎó²î·ÖÎöÀûÓüÆË㹫ʽ¼°Ëá¡¢¼îµÄÌå»ý£¬ÌâÄ¿ÄѶȲ»´ó£®
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ʵÑéÐòºÅ | µÚ1´Î | µÚ2´Î | µÚ3´Î | µÚ4´Î |
ÏûºÄKMnO4Ìå»ý/mL | 19.98 | 20.02 | 20.20 | 20.00 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ̼ | B£® | µª | C£® | Áò | D£® | ÂÁ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | C2H2 | B£® | BeCl2 | C£® | CO2 | D£® | HClO |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com