ÌâÄ¿ÄÚÈÝ
£¨2011ÄêËÄ´¨ÀÖɽ£¬39Ì⣩СËÕ´ò£¨Ö÷Òª³É·ÖΪNaHCO3£©Öг£º¬ÓÐÉÙÁ¿ÂÈ»¯ÄÆ¡£
»¯Ñ§ÐËȤС×éµÄͬѧΪÁ˲ⶨijƷÅÆСËÕ´òÖÐNaHCO3µÄÖÊÁ¿·ÖÊý¡£½øÐÐÁËÒÔÏÂʵÑ飺³ÆÁ¿
ÑùÆ·ÖÃÓÚÉÕ±ÖУ¬ÏòÆäÖÐÂýÂýµÎ¼ÓÏ¡ÑÎËᣬÖÁ²»ÔÙ²úÉúÆøÅÝΪֹ£¬²âµÃµÄÓйØÊý¾ÝÈçϱíËù
ʾ¡£
Îï ÖÊ | Ñù Æ· | ÏûºÄÏ¡ÑÎËáÖÊÁ¿ | ·´Ó¦ºóÈÜÒºÖÊÁ¿ |
ÖÊÁ¿£¨g£© | 9 | 75.4 | 80 |
ÊÔ¼ÆË㣺£¨¼ÆËã½á¹û±£ÁôһλСÊý£©
£¨1£©ÑùÆ·ÖеÄNaHCO3ÖÊÁ¿·ÖÊý£»
£¨2£©ËùµÃÈÜÒºÖÐNaClµÄÖÊÁ¿·ÖÊý¡£
½â£º¸ù¾ÝÖÊÁ¿Êغ㶨ÂɵÃCO2µÄÖÊÁ¿==9£«75.4£80="=4.4" g
ÉèNaHCO3ÖÊÁ¿ÎªX£¬Éú³ÉµÄNaClµÄÖÊÁ¿ÎªY¡£Ôò£º
NaHCO3£«HCl="=" NaCl£«H2O£«CO2¡ü
84 58.5 44
X Y 4.4g
84£º44="=" X£º4.4g
X==84¡Á4.4¡Â44
="=8.4" g
ÑùÆ·ÖÐNaHCO3µÄÖÊÁ¿·ÖÊý==8.4¡Â9¡Á100%="=93.3% "
58.5£º44="=" Y£º4.4
Y==58.5¡Á4.4¡Â44
="=5.85g "
ÑùÆ·ÖÐNaClµÄÖÊÁ¿="=9g" -8.4 g ="=0.6" g
NaClµÄ×ÜÖÊÁ¿==0.6g£«5.85g g="=6.45g "
NaClÈÜÒºÖÐNaClµÄÖÊÁ¿·ÖÊý==6.45g¡Â80¡Á100%="=8.1%"
´ð£º£¨ÂÔ£©
½âÎö
£¨2011ÄêËÄ´¨ÀÖɽ£¬39Ì⣩СËÕ´ò£¨Ö÷Òª³É·ÖΪNaHCO3£©Öг£º¬ÓÐÉÙÁ¿ÂÈ»¯ÄÆ¡£
»¯Ñ§ÐËȤС×éµÄͬѧΪÁ˲ⶨijƷÅÆСËÕ´òÖÐNaHCO3µÄÖÊÁ¿·ÖÊý¡£½øÐÐÁËÒÔÏÂʵÑ飺³ÆÁ¿
ÑùÆ·ÖÃÓÚÉÕ±ÖУ¬ÏòÆäÖÐÂýÂýµÎ¼ÓÏ¡ÑÎËᣬÖÁ²»ÔÙ²úÉúÆøÅÝΪֹ£¬²âµÃµÄÓйØÊý¾ÝÈçϱíËù
ʾ¡£
Îï ÖÊ | Ñù Æ· | ÏûºÄÏ¡ÑÎËáÖÊÁ¿ | ·´Ó¦ºóÈÜÒºÖÊÁ¿ |
ÖÊÁ¿£¨g£© | 9 | 75.4 | 80 |
ÊÔ¼ÆË㣺£¨¼ÆËã½á¹û±£ÁôһλСÊý£©
£¨1£©ÑùÆ·ÖеÄNaHCO3ÖÊÁ¿·ÖÊý£»
£¨2£©ËùµÃÈÜÒºÖÐNaClµÄÖÊÁ¿·ÖÊý¡£