ÌâÄ¿ÄÚÈÝ
×ÔÈ»½ç´æÔÚµÄ̼ËáÑÎÀàÍ¿ó£¨Èç¿×ȸʯ¡¢Ê¯ÇàµÈ£©µÄ»¯Ñ§×é³ÉΪ£ºaCuCO3¡ÁbCu(OH)2£¨a£¬bΪÕýÕûÊý£¬ÇÒa£2£¬b£2£©£¨1£©½«¿×ȸʯ¡¢Ê¯Çà¿óÑù·Ö±ð¼ÓÑÎËáÖÁÍêÈ«Èܽ⣬ºÄÓÃHClÎïÖʵÄÁ¿Óë²úÉúCO2µÄÎïÖʵÄÁ¿Ö®±È£º¿×ȸʯΪ4¡Ã1£»Ê¯ÇàΪ3¡Ã1¡£ÔòËüÃǵĻ¯Ñ§×é³ÉΪ£º¿×ȸʯ___________£¬Ê¯Çà_______________¡£
£¨2£©½ñÓÐÒ»·Ý¿óÑù£¬½«ÆäµÈ·ÖΪA£¬BÁ½·Ý¡£A·ÝÖмÓ×ãÁ¿ÑÎËá²úÉú3.36LCO2£¨±ê×¼×´¿ö£©£»B·Ý¼ÓÈÈÍêÈ«·Ö½âµÃ20gCuO¡£ÊÔ¼ÆË㲢ȷ¶¨¸Ã¿óÑùµÄ»¯Ñ§×é³É¡£
£¨3£©Ä³¿óÑù¼ÓËáÍêÈ«Èܽâºó²úÉú6.72LCO2£¨±ê×¼×´¿ö£©¡£Õâ·Ý¿óÑùÖÐCuOº¬Á¿²»µÍÓÚ____________g¡£
£¨4£©Éèij̼ËáÑÎÀàÍ¿óÑùµÄÖÊÁ¿ÎªA(g)£¬Ëùº¬CuOΪG(g)£¬¼ÓËáÍêÈ«Èܽâ²úÉúµÄCO2ΪV(L)£¨±ê×¼×´¿ö£©£¬Ôò´Ë¿óÑùµÄA£¬C£¬VÖ®¼äµÄ¹ØϵʽΪ£ºA=_____________¡£
½âÎö£º
£¨1£©CuCO3¡ÁCu(OH)2£»2CuCO3¡ÁCu(OH)2
£¨2£©CuCO3¡ÁCu(OH)2ÓëCu(OH)2¡Á2CuCO3µÄ»ìºÏÎï £¨3£©36g £¨4£© £¨1£©¿×ȸʯ£ºÓÉÏûºÄHClÁ¿ÓëCO2²úÉúÁ¿Îª4¡Ã1¿ÉÖª(2a+2b)¡Ãa=4¡Ã1£¬¼´a¡Ãb= 1¡Ã1£¬¹Ê»¯Ñ§Ê½ÎªCuCO3¡ÁCu(OH)2£»Í¬Àí¿ÉÒԵóöʯÇàµÄ»¯Ñ§Ê½Îª2CuCO3¡ÁCu(OH)2¡£ £¨2£©ÓÉÌâÒâÖªn( )¡Ãn(CuO)=0.15¡Ã=3¡Ã5(ÎïÖʵÄÁ¿Ö®±È)£¬ËùÒÔa¡Ã(a+b)=3¡Ã5£¬¼´a¡Ãb=3¡Ã2¡£ ÒòΪa£2 £¨3£©¶ÔÓÚ¿óÑù£º£¬±ÈÖµ×îµÍµÄÊÇ£º2CuCO3¡ÁCu(OH)2(a=2£¬b=1)£¬ÒÑÖªn(CO2)=0.3mol£¬Ôòn(CuO)=0.15mol£¬ËùÒÔCuOº¬Á¿×îµÍֵΪ£º(0.3+0.15)mol´ 80g/mol=36g¡£ £¨4£©ÓɹØϵʽCO2¡«CuCO3£¬CuO¡«CuCO3ºÍCu(OH)2¿ÉµÃ³ö£º
|