½â£º£¨1£©Å¨H
2SO
4µÄÎïÖʵÄÁ¿Å¨¶Èc=
mol/L=18.4mol/L£¬
ÅäÖÆ480mL0.2mol/LµÄÏ¡H
2SO
4£¬ÐèÑ¡Ôñ500mLÈÝÁ¿Æ¿£¬¸ù¾ÝÏ¡ÊͶ¨ÂÉ£¬Ï¡ÊÍÇ°ºóÈÜÖʵÄÎïÖʵÄÁ¿²»±ä£¬À´¼ÆËãŨÁòËáµÄÌå»ý£¬ÉèŨÁòËáµÄÌå»ýΪxmL¡Á18.4mol/L=500mL¡Á0.5mol/L£¬½âµÃ£ºx¡Ö13.6£¬ËùÒÔÓ¦Á¿È¡µÄŨÁòËáÌå»ýÊÇ13.6mL£®
¹Ê´ð°¸Îª£º18.4mol/L£» 13.6mL£»
£¨2£©²Ù×÷²½ÖèÓмÆËã¡¢Á¿È¡¡¢Ï¡ÊÍ¡¢ÒÆÒº¡¢Ï´µÓÒÆÒº¡¢¶¨ÈÝ¡¢Ò¡ÔȵȲÙ×÷£¬ÓÃ20mLÁ¿Í²Á¿È¡£¨Óõ½½ºÍ·µÎ¹Ü£©Å¨ÁòËᣬÔÚÉÕ±ÖÐÏ¡ÊÍ£¬Óò£Á§°ô½Á°è£¬ÀäÈ´ÖÁÊÒκóתÒƵ½500mLÈÝÁ¿Æ¿ÖУ¬²¢Óò£Á§°ôÒýÁ÷£¬Ï´µÓ2-3´Î£¬½«Ï´µÓҺתÒƵ½ÈÝÁ¿Æ¿ÖУ¬¼ÓË®ÖÁÒºÃæ¾àÀë¿Ì¶ÈÏß1¡«2cmʱ£¬¸ÄÓýºÍ·µÎ¹ÜµÎ¼ÓÖÁÈÜÒº°¼ÒºÃæÓë¿Ì¶ÈÏßˮƽÏàÇУ¬¸ÇºÃÆ¿Èûµßµ¹Ò¡ÔÈ£®
ËùÒÔÐèÒªµÄÒÇÆ÷Ϊ£º²£Á§°ô¡¢ÉÕ±¡¢½ºÍ·µÎ¹Ü¡¢20 mLÁ¿Í²¡¢500mLÈÝÁ¿Æ¿£¬
¹Ê´ð°¸Îª£º20 mLÁ¿Í²¡¢500mLÈÝÁ¿Æ¿£»
£¨3£©¢ÙŨÁòËáÈܽâºóδÀäÖÁÊÒμ´½øÐÐתÒÆ¡¢¶¨ÈÝ£¬Ò»µ©ÀäÈ´ÏÂÀ´»áµ¼ÖÂÌå»ýƫС£¬ËùÅäÈÜҺŨ¶ÈÆ«¸ß£¬¹Ê´ð°¸Îª£ºÆ«¸ß£»
¢Ú¶¨ÈÝʱ¸©Êӿ̶ÈÏߣ¬ÈÜÒºÌå»ýƫС£¬ËùÅäÈÜҺŨ¶ÈÆ«¸ß£¬¹Ê´ð°¸Îª£ºÆ«¸ß£»
£¨4£©¶¨ÈÝʱҺÃæ¸ßÓڿ̶ÈÏßÓ¦µ¼ÖÂËùÅäÈÜҺŨ¶ÈÆ«µÍ£¬Ó¦Ðû¸æʵÑéʧ°Ü£¬Ï´¾»ÈÝÁ¿Æ¿ºóÖØÐÂÅäÖÆ£¬¹Ê´ð°¸Îª£ºÓ¦Ðû¸æʵÑéʧ°Ü£¬Ï´¾»ÈÝÁ¿Æ¿ºóÖØÐÂÅäÖÆ£»
£¨5£©±êÇ©ÉϵÄÄÚÈÝӦд³öÎïÖʵÄÃû³ÆºÍŨ¶È£¬
¹Ê´ð°¸Îª£º
£®
·ÖÎö£º£¨1£©¸ù¾Ýc=
¼ÆËãŨÁòËáµÄÎïÖʵÄÁ¿Å¨¶È£¬ÔÙ¸ù¾ÝÈÜҺϡÊÍÇ°ºóÈÜÖÊÎïÖʵÄÁ¿²»±ä¼ÆËãËùÐèŨÁòËáµÄÌå»ý£»
£¨2£©¸ù¾ÝʵÑé²Ù×÷µÄ²½ÖèÒÔ¼°Ã¿²½²Ù×÷ÐèÒªÒÇÆ÷È·¶¨·´Ó¦ËùÐèÒÇÆ÷£»
£¨3£©·ÖÎö²Ù×÷¶ÔÈÜÖʵÄÎïÖʵÄÁ¿»ò¶ÔÈÜÒºµÄÌå»ýµÄÓ°Ï죬¸ù¾Ýc=
·ÖÎöÅжϣ»
£¨4£©ÊµÑé²Ù×÷¹ý³ÌÖÐÒ»µ©³öÏÖ´íÎó£¬Ó¦Ðû¸æʵÑéʧ°Ü£¬Ï´¾»ÈÝÁ¿Æ¿ºóÖØÐÂÅäÖÆ£»
£¨5£©±êǩӦעÃ÷ÎïÖʵÄÃû³ÆºÍŨ¶È£®
µãÆÀ£º±¾Ì⿼²éÁËÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖÆ£¬×¢Òâ´Óc=
Àí½âÅäÖÆÔÀí£¬×¢ÒâŨÁòËáµÄÏ¡ÊͲÙ×÷£®