(7·Ö) ij°àÒ»´ÎÉç»áʵ¼ù»î¶¯Êǵ½¼î³§²Î¹Û£¬¸Ã³§Ö÷Òª²úÆ·Ö®Ò»ÊÇСËÕ´ò£¨Ì¼ËáÇâÄÆ£©¡£²Î¹Û½áÊø£¬Í¬Ñ§ÃÇ´ø»ØһЩ»¯ÑéÊÒÀï·ÏÆúµÄСËÕ´òÑùÆ·£¬À´²â¶¨ÆäÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£¨¼ÙÉè¸ÃÑùÆ·ÖÐÖ»º¬ÓÐÂÈ»¯ÄÆÒ»ÖÖÔÓÖÊ£©¡£È¡ÑùÆ·9.3 gÖðµÎ¼ÓÈëÏ¡ÑÎËᣬÉú³ÉCO2ÆøÌåµÄÖÊÁ¿ÓëµÎ¼ÓÏ¡ÑÎËáµÄÖÊÁ¿¹ØϵÈçÓÒͼËùʾ£¬Ç󣺣¨¼ÆËã½á¹ûÓðٷÖÊý±íʾ£¬±£Áôµ½Ð¡ÊýµãºóһλÊý×Ö£©

£¨1£©ÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£
£¨2£©Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡£

34£®(7·Ö)
½â£ºÉèÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿Îªx, Éú³ÉÂÈ»¯ÄƵÄÖÊÁ¿Îªy
         NaHCO3 + HCl      NaCl  +  CO2¡ü+ H2O£¨1·Ö£©
84               58.5      44
x                 y        4.4 g
x £½ 8.4 g£¨1·Ö£©
y £½ 5.85 g£¨1·Ö£©
(1) ÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊýΪ  90.3%£¨2·Ö£©
(2) Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ£º22.5%£¨2·Ö£©

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøij°àÒ»´ÎÉç»áʵ¼ù»î¶¯Êǵ½Á¬ÔƸۼ²Î¹Û£¬¸Ã³§Ö÷Òª²úÆ·Ö®Ò»ÊÇСËÕ´ò£¨Ì¼ËáÇâÄÆ£©£®²Î¹Û½áÊø£¬Í¬Ñ§ÃÇ´ø»ØһЩ»¯ÑéÊÒÀï·ÏÆúµÄСËÕ´òÑùÆ·£¬À´²â¶¨ÆäÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£¨¼ÙÉè¸ÃÑùÆ·ÖÐÖ»º¬ÓÐÂÈ»¯ÄÆÒ»ÖÖÔÓÖÊ£©£®È¡ÑùÆ·9.3gÖðµÎ¼ÓÈëÏ¡ÑÎËᣬÉú³ÉCO2ÆøÌåµÄÖÊÁ¿ÓëµÎ¼ÓÏ¡ÑÎËáµÄÖÊÁ¿¹ØϵÈçͼËùʾ£¬Ç󣺣¨¼ÆËã½á¹ûÓðٷÖÊý±íʾ£¬±£Áôµ½Ð¡ÊýµãºóһλÊý×Ö£©
£¨1£©ÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£®
£¨2£©Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(7·Ö) ij°àÒ»´ÎÉç»áʵ¼ù»î¶¯Êǵ½¼î³§²Î¹Û£¬¸Ã³§Ö÷Òª²úÆ·Ö®Ò»ÊÇСËÕ´ò£¨Ì¼ËáÇâÄÆ£©¡£²Î¹Û½áÊø£¬Í¬Ñ§ÃÇ´ø»ØһЩ»¯ÑéÊÒÀï·ÏÆúµÄСËÕ´òÑùÆ·£¬À´²â¶¨ÆäÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£¨¼ÙÉè¸ÃÑùÆ·ÖÐÖ»º¬ÓÐÂÈ»¯ÄÆÒ»ÖÖÔÓÖÊ£©¡£È¡ÑùÆ·9.3 gÖðµÎ¼ÓÈëÏ¡ÑÎËᣬÉú³ÉCO2ÆøÌåµÄÖÊÁ¿ÓëµÎ¼ÓÏ¡ÑÎËáµÄÖÊÁ¿¹ØϵÈçÓÒͼËùʾ£¬Ç󣺣¨¼ÆËã½á¹ûÓðٷÖÊý±íʾ£¬±£Áôµ½Ð¡ÊýµãºóһλÊý×Ö£©

£¨1£©ÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£

£¨2£©Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(7·Ö) ij°àÒ»´ÎÉç»áʵ¼ù»î¶¯Êǵ½¼î³§²Î¹Û£¬¸Ã³§Ö÷Òª²úÆ·Ö®Ò»ÊÇСËÕ´ò£¨Ì¼ËáÇâÄÆ£©¡£²Î¹Û½áÊø£¬Í¬Ñ§ÃÇ´ø»ØһЩ»¯ÑéÊÒÀï·ÏÆúµÄСËÕ´òÑùÆ·£¬À´²â¶¨ÆäÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£¨¼ÙÉè¸ÃÑùÆ·ÖÐÖ»º¬ÓÐÂÈ»¯ÄÆÒ»ÖÖÔÓÖÊ£©¡£È¡ÑùÆ·9.3 gÖðµÎ¼ÓÈëÏ¡ÑÎËᣬÉú³ÉCO2ÆøÌåµÄÖÊÁ¿ÓëµÎ¼ÓÏ¡ÑÎËáµÄÖÊÁ¿¹ØϵÈçÓÒͼËùʾ£¬Ç󣺣¨¼ÆËã½á¹ûÓðٷÖÊý±íʾ£¬±£Áôµ½Ð¡ÊýµãºóһλÊý×Ö£©

£¨1£©ÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£
£¨2£©Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2011-2012ѧÄê¹ãÎ÷ÄÏÄþÈýÖÐÖп¼Ä£Äâ²âÊÔ»¯Ñ§ÊÔ¾í£¨ËÄ£© ÌâÐÍ£º¼ÆËãÌâ

(7·Ö) ij°àÒ»´ÎÉç»áʵ¼ù»î¶¯Êǵ½¼î³§²Î¹Û£¬¸Ã³§Ö÷Òª²úÆ·Ö®Ò»ÊÇСËÕ´ò£¨Ì¼ËáÇâÄÆ£©¡£²Î¹Û½áÊø£¬Í¬Ñ§ÃÇ´ø»ØһЩ»¯ÑéÊÒÀï·ÏÆúµÄСËÕ´òÑùÆ·£¬À´²â¶¨ÆäÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý£¨¼ÙÉè¸ÃÑùÆ·ÖÐÖ»º¬ÓÐÂÈ»¯ÄÆÒ»ÖÖÔÓÖÊ£©¡£È¡ÑùÆ·9.3 gÖðµÎ¼ÓÈëÏ¡ÑÎËᣬÉú³ÉCO2ÆøÌåµÄÖÊÁ¿ÓëµÎ¼ÓÏ¡ÑÎËáµÄÖÊÁ¿¹ØϵÈçÓÒͼËùʾ£¬Ç󣺣¨¼ÆËã½á¹ûÓðٷÖÊý±íʾ£¬±£Áôµ½Ð¡ÊýµãºóһλÊý×Ö£©

£¨1£©ÑùÆ·ÖÐ̼ËáÇâÄƵÄÖÊÁ¿·ÖÊý¡£

£¨2£©Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸