ÌâÄ¿ÄÚÈÝ

£¨7·Ö£©¾­¿Æѧ¼ì²â£¬µ°¿ÇÖк¬Ì¼Ëá¸Æ83¡ª85%£¬µ°°×ÖÊ15¡ª17%£¬²¢º¬ÓжàÖÖ΢Á¿ÔªËØп¡¢Í­¡¢Ìú¡¢ÎøµÈ¡£Ð¡²¨Í¬Ñ§ÎªÁËÇ××Ô¼ì²âµ°¿ÇÖеÄijЩ³É·ÖÒÔ¼°º¬Á¿£¬½øÐÐÁËʵÑé̽¾¿¡£Çë»Ø´ðÏà¹ØÎÊÌ⣺
£¨1£©¹ØÓÚµ°¿ÇµÄÐðÊöÖУ¬ÄãÈÏΪ´íÎóµÄÒ»ÏîÊÇ£¨   £©
A£®º¬¸Æ¡¢Ð¿¡¢Í­¡¢Ìú¡¢ÎøµÈ΢Á¿ÔªËØ
B£®ÊÇÓÉÎÞ»úÎïºÍÓлúÎïµÈ×é³ÉµÄ»ìºÏÎï
C£®µ°¿Ç±º¸ÉÑзۣ¬Î¸²¡»¼Õß·þÓã¬ÓÐֹʹºÍÖÎÁÆθËá¹ý¶àµÄЧ¹û
D£®¿ÉÒÔ¼Ó¹¤³ÉÈéËá¸Æ¡¢ÆÏÌÑÌÇËá¸ÆµÈ²úÆ·£¬±ä·ÏΪ±¦
£¨2£©ÎªÑéÖ¤µ°¿ÇµÄÖ÷Òª³É·ÖÊÇ̼Ëá¸Æ£¬Ð¡²¨´Ó¡°Ï¡ÑÎËᡱ¡¢¡°ÇâÑõ»¯¸ÆÈÜÒº¡±¡¢¡°Ì¼ËáÄÆÈÜÒº¡±ÈýÀàÎïÖÊÖÐÑ¡Ôñ³öÁ˺ÏÀíµÄÒ©Æ·£¬ÇëÄã°ïËûÉè¼Æ¼òµ¥µÄʵÑé·½°¸£º                      
                                                                          ¡£
£¨3£©Èç¹ûʵÑé¹ý³ÌºÍ²â¶¨µÄÏà¹ØʵÑéÊý¾ÝÈçÏÂËùʾ£º

Çë¸ù¾ÝÒÔÉÏÊý¾Ý¼ÆËãµ°¿ÇÖÐ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊý¡££¨Ð´³ö¼ÆËã¹ý³Ì£¬½á¹û¾«È·µ½0.1%£©
£¨1£©A
£¨2£©È¡ÉÙÁ¿µ°¿ÇÓÚÊÔ¹ÜÖУ¬ÏòÆäÖеμÓÊÊÁ¿µÄÏ¡ÑÎËᣬÈôÓÐÆøÅÝð³ö£¬ÇÒ¸ÃÆøÌåÄÜʹʯ»ÒË®±ä»ë×Ç£¬ËµÃ÷µ°¿ÇµÄ³É·Öº¬ÓÐ̼Ëá¸Æ
£¨3£©83.3%

ÊÔÌâ·ÖÎö£º£¨1£©A¡¢º¬¡¢Ð¿¡¢Í­¡¢Ìú¡¢ÎøµÈ΢Á¿ÔªËØ£¬¸ÆÊôÓÚ³£Á¿ÔªËØ£¬´íÎó£¬B¡¢µ°¿ÇÖк¬Ì¼Ëá¸Æ£¬ÊÇÎÞ»úÎµ°°×ÖÊÊÇÓлúÎÕýÈ·£¬C¡¢µ°¿ÇÖк¬Ì¼Ëá¸ÆÄÜÓëθҺÖеÄÑÎËá·´Ó¦£¬ËùÒÔµ°¿Ç±º¸ÉÑзۣ¬Î¸²¡»¼Õß·þÓã¬ÓÐֹʹºÍÖÎÁÆθËá¹ý¶àµÄЧ¹û£¬ÕýÈ·£¬D£®µ°¿ÇÖк¬Ì¼Ëá¸Æ£¬¿ÉÒÔ¼Ó¹¤³ÉÈéËá¸Æ¡¢ÆÏÌÑÌÇËá¸ÆµÈ²úÆ·£¬±ä·ÏΪ±¦£¬ÕýÈ·£¬¹ÊÑ¡A
£¨2£©Ì¼ËáÑεļìÑ飺ҩƷÓÃÏ¡ÑÎËáºÍ³ÎÇåʯ»ÒË®£¬ÊµÑé·½°¸ÊÇ£ºÈ¡ÉÙÁ¿µ°¿ÇÓÚÊÔ¹ÜÖУ¬ÏòÆäÖеμÓÊÊÁ¿µÄÏ¡ÑÎËᣬÈôÓÐÆøÅÝð³ö£¬ÇÒ¸ÃÆøÌåÄÜʹʯ»ÒË®±ä»ë×Ç£¬ËµÃ÷µ°¿ÇµÄ³É·Öº¬ÓÐ̼Ëá¸Æ
£¨3£©µ°¿ÇÖк¬Ì¼Ëá¸ÆÄÜÓëÑÎËá·¢Éú·´Ó¦£ºCaCO3+2HCl==CaCl2+H2O+CO2¡ü£¬·´Ó¦Éú³ÉÁ˶þÑõ»¯Ì¼ÆøÌ壬ËùÒÔ¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ£¬¿ÉÒÔÅжÏÉú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿=6g+50g-53.8g=2.2g£¬ÔÙ¸ù¾Ý·½³ÌʽÖÐCO2ÓëCaCO3µÄÖÊÁ¿¹Øϵ£¬±ã¿ÉÇó³öCaCO3µÄÖÊÁ¿£¬½øÒ»²½¼ÆËãµ°¿ÇÖÐ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊý
½â£ºÉè̼Ëá¸ÆµÄÖÊÁ¿Îªx¡¡¡¡
CaCO3 + 2HCl=CaCl2 + H2O + CO2¡ü        
100                     44
x                      2.2g
100/x=44/2.2g                     
x=5g                            
¡à ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊý=5g/6g¡Á100%=83.3%  
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø