ÈçͼÊÇijθҩ±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£¬ÕñºâÖÐѧ»¯Ñ§ÐËȤС×éÓû²â¶¨¸ÃÒ©Æ·ÖÐ̼ËáÇâÄÆ£¨NaHCO3£©µÄÖÊÁ¿·ÖÊý£¬È¡10Ƭ¸ÃÒ©Æ·ÑÐËé·ÅÈëÉÕ±­ÖУ¬ÔÙÏòÉÕ±­ÖеμÓÏ¡ÑÎËáÖÁÇ¡ºÃÍêÈ«·´Ó¦£¨ÔÓÖʲ»ÈÜÓÚË®£¬Ò²²»²Î¼Ó·´Ó¦£©£¬¹²ÏûºÄÏ¡ÑÎËá23g£¬²âµÃ·´Ó¦ºóÉÕ±­ÄÚÎïÖʵÄ×ÜÖÊÁ¿Îª25.8g¡£Çë¼ÆË㣺

£¨1£©10ƬҩƷµÄÖÊÁ¿Îª     g£¬·´Ó¦¹²Éú³ÉÆøÌåµÄÖÊÁ¿Îª      g¡£

£¨2£©Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£

£¨3£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡££¨¼ÆËã½á¹û±£Áôµ½0.1%£©

1£©5   2.2

£¨2£©£¨3£©½â£ºÉèÒªÉú³É2.2g¶þÑõ»¯Ì¼ÐèÒª²Î¼Ó·´Ó¦µÄ̼ËáÇâÄÆÖÊÁ¿Îªx£¬

Éú³ÉÂÈ»¯ÄÆÖÊÁ¿Îªy£¬Ôò

NaHCO3+HCl ═ NaCl  +  H2O+  CO2¡ü

84           58.5            44

x             y            2.2g

   ½âµÃx=4.2t     y=2.925g

Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£º

·´Ó¦ºóËùµÃÈÜÒºÖÊÁ¿Îª£º4.2g+23g-2.2g=25g£®·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£º

´ð£º£¨2£©Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý84%£»

£¨3£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý11.7%

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2012?ºâÑô£©ÈçͼÊÇijθҩ±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£¬ÕñºâÖÐѧ»¯Ñ§ÐËȤС×éÓû²â¶¨¸ÃÒ©Æ·ÖÐ̼ËáÇâÄÆ£¨NaHCO3£©µÄÖÊÁ¿·ÖÊý£¬È¡10Ƭ¸ÃÒ©Æ·ÑÐËé·ÅÈëÉÕ±­ÖУ¬ÔÙÏòÉÕ±­ÖеμÓÏ¡ÑÎËáÖÁÇ¡ºÃÍêÈ«·´Ó¦£¨ÔÓÖʲ»ÈÜÓÚË®£¬Ò²²»²Î¼Ó·´Ó¦£©£¬¹²ÏûºÄÏ¡ÑÎËá23g£¬²âµÃ·´Ó¦ºóÉÕ±­ÄÚÎïÖʵÄ×ÜÖÊÁ¿Îª25.8g£®Çë¼ÆË㣺
£¨1£©10ƬҩƷµÄÖÊÁ¿Îª
5
5
g£¬·´Ó¦¹²Éú³ÉÆøÌåµÄÖÊÁ¿Îª
2.2
2.2
g£®
£¨2£©Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£®
£¨3£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£®£¨¼ÆËã½á¹û±£Áôµ½0.1%£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÈçͼÊÇijθҩ±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£¬Ä³ÖÐѧ»¯Ñ§ÐËȤС×éÓû²â¶¨¸ÃÒ©Æ·ÖÐ̼ËáÇâÄÆ£¨NaHCO3£©µÄÖÊÁ¿·ÖÊý£¬È¡20Ƭ¸ÃÒ©Æ·ÑÐËé·ÅÈëÉÕ±­ÖУ¬ÔÙÏòÉÕ±­ÖеμÓÏ¡ÑÎËáÖÁÇ¡ºÃÍêÈ«·´Ó¦Éú³ÉÂÈ»¯ÄÆ¡¢Ë®ºÍ¶þÑõ»¯Ì¼£¨ÔÓÖʲ»ÈÜÓÚË®£¬Ò²²»²Î¼Ó·´Ó¦£©£¬¹²ÏûºÄÏ¡ÑÎËá23g£¬²âµÃ·´Ó¦ºóÉÕ±­ÄÚÎïÖʵÄ×ÜÖÊÁ¿Îª28.6g£®
Çë¼ÆË㣺
£¨1£©·´Ó¦¹²Éú³ÉÆøÌåµÄÖÊÁ¿Îª
 
£®
£¨2£©Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£¨Ð´³ö¼ÆËã¹ý³Ì£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£ººþÄÏÊ¡Öп¼ÕæÌâ ÌâÐÍ£º¼ÆËãÌâ

ÈçͼÊÇijθҩ±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£¬ÕñºâÖÐѧ»¯Ñ§ÐËȤС×éÓû²â¶¨¸ÃÒ©Æ·ÖÐ̼ËáÇâÄÆ£¨NaHCO3£©µÄÖÊÁ¿·ÖÊý£¬È¡10Ƭ¸ÃÒ©Æ·ÑÐËé·ÅÈëÉÕ±­ÖУ¬ÔÙÏòÉÕ±­ÖеμÓÏ¡ÑÎËáÖÁÇ¡ºÃÍêÈ«·´Ó¦£¨ÔÓÖʲ»ÈÜÓÚË®£¬Ò²²»²Î¼Ó·´Ó¦£©£¬¹²ÏûºÄÏ¡ÑÎËá23g£¬²âµÃ·´Ó¦ºóÉÕ±­ÄÚÎïÖʵÄ×ÜÖÊÁ¿Îª25.8g¡£Çë¼ÆË㣺
£¨1£©10ƬҩƷµÄÖÊÁ¿Îª _______g£¬·´Ó¦¹²Éú³ÉÆøÌåµÄÖÊÁ¿Îª_____g¡£
£¨2£©Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£
£¨3£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡££¨¼ÆËã½á¹û±£Áôµ½0.1%£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÈçͼÊÇijθҩ±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£¬ÕñºâÖÐѧ»¯Ñ§ÐËȤС×éÓû²â¶¨¸ÃÒ©Æ·ÖÐ̼ËáÇâÄÆ£¨NaHCO3£©µÄÖÊÁ¿·ÖÊý£¬È¡10Ƭ¸ÃÒ©Æ·ÑÐËé·ÅÈëÉÕ±­ÖУ¬ÔÙÏòÉÕ±­ÖеμÓÏ¡ÑÎËáÖÁÇ¡ºÃÍêÈ«·´Ó¦£¨ÔÓÖʲ»ÈÜÓÚË®£¬Ò²²»²Î¼Ó·´Ó¦£©£¬¹²ÏûºÄÏ¡ÑÎËá23g£¬²âµÃ·´Ó¦ºóÉÕ±­ÄÚÎïÖʵÄ×ÜÖÊÁ¿Îª25.8g¡£Çë¼ÆË㣺

£¨1£©10ƬҩƷµÄÖÊÁ¿Îª     g£¬·´Ó¦¹²Éú³ÉÆøÌåµÄÖÊÁ¿Îª      g¡£

£¨2£©Ò©Æ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£

£¨3£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡££¨¼ÆËã½á¹û±£Áôµ½0.1%£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸