ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÓÃ8.00 mol/LµÄŨÑÎËáÅäÖÆ248mL 1.00 mol/LµÄÏ¡ÑÎËᣬ²¢½øÐÐÓйØʵÑé¡£Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÐèÒªÁ¿Í²Á¿È¡Å¨ÑÎËá mL¡£
£¨2£©ÅäÖƸÃÏ¡ÑÎËáʱʹÓõÄÒÇÆ÷³ýÁ¿Í²¡¢ÉÕ±¡¢²£Á§°ôÍ⣬»¹±ØÐëÓõ½µÄÒÇÆ÷ÓÐ ¡¢ µÈ¡£
£¨3£©È¡ËùÅäÖƵÄÏ¡ÑÎËá100mL£¬ÓëÒ»¶¨ÖÊÁ¿µÄп³ä·Ö·´Ó¦£¬Ð¿È«²¿Èܽâºó£¬Éú³ÉµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ0.896L£¬Ôò²Î¼Ó·´Ó¦µÄпµÄÖÊÁ¿Îª g £»Éè·´Ó¦ºóÈÜÒºµÄÌå»ýÈÔΪ100 mL £¬Ôò·´Ó¦ºóÈÜÒºÖÐH£«µÄÎïÖʵÄÁ¿Å¨¶ÈΪ ¡£
¡¾´ð°¸¡¿£¨1£©31.3 £¨1·Ö£©
£¨2£©250mLÈÝÁ¿Æ¿ ½ºÍ·µÎ¹Ü£¨¿Éµßµ¹£©£¨¸÷1·Ö£©
£¨3£©2.6»ò2.6g 0.2 mol/L »òmol/L£¨1·Ö£©
¡¾½âÎö¡¿
ÊÔÌâ·ÖÎö£º£¨1£©ÊµÑéÊÒûÓÐ248mLÈÝÁ¿Æ¿£¬ÐèÒªÅäÖÆ250mL£¬ÔòÐèÒªÁ¿Í²Á¿È¡Å¨ÑÎËáµÄÌå»ýΪ£½31.3mL¡£
£¨2£©ÅäÖƸÃÏ¡ÑÎËáʱʹÓõÄÒÇÆ÷³ýÁ¿Í²¡¢ÉÕ±¡¢²£Á§°ôÍ⣬»¹±ØÐëÓõ½µÄÒÇÆ÷ÓÐ250mLÈÝÁ¿Æ¿¡¢½ºÍ·µÎ¹ÜµÈ¡£
£¨3£©È¡ËùÅäÖƵÄÏ¡ÑÎËá100mL£¬ÓëÒ»¶¨ÖÊÁ¿µÄп³ä·Ö·´Ó¦£¬Ð¿È«²¿Èܽâºó£¬Éú³ÉµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ0.896L£¬ÇâÆøµÄÎïÖʵÄÁ¿ÊÇ0.896L¡Â22.4L/mol£½0.04mol£¬¸ù¾Ý·½³ÌʽZn=2HCl=ZnCl2£«H2¡ü¿ÉÖª²Î¼Ó·´Ó¦µÄпµÄÖÊÁ¿Îª0.04mol¡Á65g/mol£½2.6g£»ÏûºÄÇâÀë×ÓµÄÎïÖʵÄÁ¿ÊÇ0.08mol£¬ËùÒÔÊ£ÓàÇâÀë×ÓµÄÎïÖʵÄÁ¿ÊÇ0.1L¡Á1mol/L£0.08mol£½0.02mol¡£Éè·´Ó¦ºóÈÜÒºµÄÌå»ýÈÔΪ100 mL £¬Ôò·´Ó¦ºóÈÜÒºÖÐH£«µÄÎïÖʵÄÁ¿Å¨¶ÈΪ0.02mol¡Â0.1L£½0.2 mol/L¡£
¡¾ÌâÄ¿¡¿ÈçͼΪ10 mLÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄÑÎËá(HCl),ÓÃÒ»¶¨Å¨¶ÈµÄNaOHÈÜÒºµÎ¶¨µÄͼʾ,ÒÀ¾Ýͼʾ¿ÉÍƳöHClºÍNaOHµÄÎïÖʵÄÁ¿Å¨¶È( )
Ñ¡ Ïî | A | B | C | D |
HClÎïÖʵÄÁ¿Å¨¶È/(mol¡¤L-1) | 0.12 | 0.04 | 0.03 | 0.09 |
NaOHÎïÖʵÄÁ¿Å¨¶È/(mol¡¤L-1) | 0.04 | 0.12 | 0.09 | 0.03 |