ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³Ð£³õÈýѧÉúÈ¥Î÷éÔɽ´ºÓΣ¬´ø»ØÁ˼¸¿éʯ»ÒʯÑùÆ·¡£ÎªÁ˼ì²âÑùÆ·ÖÐ̼Ëá¸ÆµÄº¬Á¿£¬¼×¡¢ÒÒ¡¢±û¡¢¶¡ËÄλͬѧÓÃÖÊÁ¿·ÖÊýÏàͬµÄÑÎËáÓëÑùÆ·³ä·Ö·´Ó¦À´½øÐвⶨ¼ÙÉèÑùÆ·ÖеÄÔÓÖʲ»ÈÜÓÚË®£¬ÇÒ²»ÓëÑÎËá·´Ó¦£¬²âµÃÊý¾ÝÈç±í£º
¼× | ÒÒ | ±û | ¶¡ | |
¾ùÔÈÑÐÄ¥ºóµÄʯ»ÒʯÑùÆ·ÖÊÁ¿ | ||||
ÑÎËáµÄÖÊÁ¿ | ||||
Ê£Óà¹ÌÌåµÄÖÊÁ¿ |
ÊÔÎÊ´ð£º
£¨1£©ÑùÆ·ÓëÑÎËá³ä·Ö·´Ó¦ºó£¬ÑÎËáÊÇ·ñÓÐÊ£Óà______ Ìî¡°ÊÇ¡±»ò¡°·ñ¡±£»ÑùÆ·ÖÐ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊýÊÇ______¡£
£¨2£©¼ÆËãËùÓÃÑÎËáµÄÖÊÁ¿·ÖÊýд³ö¼ÆËã¹ý³Ì
£¨3£©»³öÑùÆ·ÓëÑÎËá»ìºÏºó²úÉú¶þÑõ»¯Ì¼µÄÖÊÁ¿ÓëÑÎËáµÄ¹Øϵͼ¡£
¡¾´ð°¸¡¿£¨1£©·ñ£»90%
£¨2£©14.6%
£¨3£©
¡¾½âÎö¡¿
£¨1£©ÓɱíÖеÄÊý¾Ý¿ÉÖª£¬Ã¿10gµÄÏ¡ÑÎËáÄÜ·´Ó¦µÄ̼Ëá¸ÆµÄÖÊÁ¿Îª2g¡£ÔÓÖʵÄÖÊÁ¿Îª1g£¬¹Ê9g̼Ëá¸ÆÍêÈ«·´Ó¦ÐèÒª45.0gÑÎËᣬÔò10.0gÑùÆ·Óë45.0gÑÎËá³ä·Ö·´Ó¦ºó£¬ÑÎËáûÓÐÊ£Óࣻ
Óɶ¡µÄÊý¾Ý¿ÉÖª£¬ÔÓÖʵÄÖÊÁ¿Îª1.0g£¬10.0gÑùÆ·ÖÐ̼Ëá¸ÆµÄÖÊÁ¿Îª£º£¬Ì¼Ëá¸ÆÖÊÁ¿·ÖÊýÊÇ£º¡£
£¨2£©Éè45.0gÏ¡ÑÎËáÖÐÈÜÖʵÄÖÊÁ¿Îªx£¬Éú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿Îªy
y=3.96g
ËùÓÃÑÎËáµÄÖÊÁ¿·ÖÊýΪ£º
´ð£ºËùÓÃÑÎËáµÄÖÊÁ¿·ÖÊýÊÇ¡£
£¨3£©ÑÎËáÓë̼Ëá¸Æ·´Ó¦Éú³ÉÂÈ»¯¸Æ¡¢¶þÑõ»¯Ì¼ºÍË®£¬Ëæ×Å·´Ó¦µÄ½øÐУ¬¶þÑõ»¯Ì¼µÄÖÊÁ¿Öð½¥Ôö¼Ó£¬ÓÉÉÏÊöÊý¾Ý¿ÉÖª£¬10.0gÑùÆ·Óë45.0gÑÎËáÇ¡ºÃÍêÈ«·´Ó¦£¬Éú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿Îª3.96g¡£¹Ê10.0gÑùÆ·Óë50.0gÑÎËá»ìºÏºó²úÉú¶þÑõ»¯Ì¼µÄÖÊÁ¿ÓëÑÎËáµÄ¹ØϵͼΪ£º
¡¾ÌâÄ¿¡¿¸ÆÊÇÈËÌåÖеij£Á¿ÔªËØ,Òòȱ¸Æ¶øµ¼Ö¹ÇÖÊÊèËÉ¡¢ØþÙͲ¡µÈµÄ»¼ÕßÓ¦ÔÚÒ½ÉúµÄÖ¸µ¼Ï·þÓøÆƬ¡£Ä³²¹¸ÆÒ©¼Á˵Ã÷ÊéµÄ²¿·ÖÐÅÏ¢Èçͼ1Ëùʾ¡£ÏÖ½«100gÑÎËá (HCI) ·Ö³ÉÎåµÈ·Ý£¬Öð´Î¼Óµ½ÓÃ40Ƭ¸ÃÒ©¼ÁÖƳɵķÛÄ©ÖÐ(ÆäËû³É·Ö²»ÓëÑÎËá·´Ó¦)£¬µÃµ½²¿·ÖÊý¾ÝÓë¹ØϵͼÈçͼ2.Çë¸ù¾ÝÓйØÐÅÏ¢»Ø´ðÎÊÌâ¡£(ÒÑÖª·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ: )
ʵÑé´ÎÊý | µÚÒ»´Î | µÚÈý´Î | µÚËÄ´Î | µÚÎå´Î |
¼ÓÈëÑÎËáµÄÖÊÁ¿(g) | 20 | 20 | 20 | 20 |
Ê£Óà¹ÌÌåµÄÖÊÁ¿(g) | 35 | a | 20 | b |
(1)±í¸ñÖÐaµÄÊýֵΪ ;bµÄÊýֵΪ ¡£
(2)¸ÃÆ·ÅƲ¹¸ÆÒ©¼ÁÖÐCaCO3µÄÖÊÁ¿·ÖÊýÊÇÊǶàÉÙ? (д³ö¼ÆËã¹ý³Ì£¬ ¼ÆËã½á¹û¾«È·ÖÁ0.1%)
(3)ÈôijÈËÐè²¹³ä0.4¿Ë¸ÆÔªËØ£¬ÔòÐè·þÓÃÕâÖÖ²¹¸Æ¼Á Ƭ¡£ (¼ÙÉèÔÓÖʲ»º¬¸ÆÔªËØ)
¡¾ÌâÄ¿¡¿¼×¡¢ÒÒ¡¢±ûÈýÖÖÎïÖʵÄת»¯¹ØϵÈçÓÒͼËùʾ£¨¡°¡ú¡±±íʾ·´Ó¦Ò»²½ÊµÏÖ£¬²¿·ÖÎïÖʺͷ´Ó¦Ìõ¼þÒÑÂÔÈ¥£©¡£ÏÂÁÐÑ¡Ïî²»ÄÜʵÏÖͼʾת»¯µÄÊÇ
Ñ¡Ïî | ¼× | ÒÒ | ±û |
A | H2SO4 | H2 | H2O |
B | C | CO | CO2 |
C | Ca(OH)2 | CaCl2 | CaCO3 |
D | NaOH | NaCl | NaNO3 |
A. A B. B C. C D. D