ÌâÄ¿ÄÚÈÝ
ÈËÀàµÄÉú´æºÍ·¢Õ¹Àë²»¿ªÄÜÔ´ºÍ×ÊÔ´¡£
£¨1£©¼ÒÓÃȼÁϵĸüйý³ÌÈçÏ£ºÃº¡úÒº»¯Ê¯ÓÍÆø»ò¹ÜµÀúÆø¡úÌìÈ»Æø£¬ ÏÂÁÐÓйؼÒÓÃȼÁϸüеÄÀíÓÉ£¬ÕýÈ·µÄÊÇ (Ñ¡Ìî×Öĸ)¡£
A£®ÌìÈ»ÆøÊôÓÚ¿ÉÔÙÉúÄÜÔ´ B£®ÆøÌåȼÁϱȹÌÌåȼÁÏÀûÓÃÂʸü¸ß
C£®ÌìÈ»Æø×÷ΪȼÁϿɱÜÃâÎÂÊÒЧӦµÄ·¢Éú D£®Ãº½ö½öÓÃ×÷ȼÁÏÉÕµôÀË·Ñ×ÊÔ´
£¨2£©Ë®ÊÇÉúÃüÖ®Ô´£¬ºÏÀíÀûÓúͱ£»¤Ë®×ÊÔ´ÊÇÎÒÃÇÒå²»ÈݴǵÄÔðÈΡ£
¢Ù Éè·¨³ýȥӲˮÖÐµÄ £¬¿ÉÒÔʹӲˮÈí»¯³ÉÈíË®¡£
¢Ú ¹«¹²³¡Ëù¿ÉÀûÓá°»îÐÔÌ¿+³¬ÂËĤ+×ÏÍâÏß¡±×éºÏ¹¤ÒÕ»ñµÃÖ±ÒûË®£¬ÆäÖлîÐÔÌ¿Ö÷ÒªÆð______×÷Óá£
£¨3£©º£Ë®ÖÐÓдóÁ¿¿ÉÒÔÀûÓõĻ¯Ñ§×ÊÔ´£¬ÆäÖÐËùº¬µÄÂÈ»¯Ã¾ÊǽðÊôþµÄÖØÒªÀ´Ô´Ö®Ò»¡£´Óº£Ë®ÖÐÌáÈ¡½ðÊôþ£¬¿É°´ÏÂͼÁ÷³Ì½øÐУº
¢ÙÏÂÁÐÓйØ˵·¨ÕýÈ·µÄÊÇ (Ñ¡Ìî×Öĸ)¡£
A£®²½Öè¢ñͨ¹ýÒ»²½·´Ó¦¼´¿ÉʵÏÖ B£®²½Öè¢ò¡¢¢ó¡¢¢ôµÄÄ¿µÄÊÇ´Óº£Ë®ÖÐÌá´¿ÂÈ»¯Ã¾
C£®²½Öè¢õÖл¯Ñ§ÄÜת»¯ÎªµçÄÜ D£®ÔÚ´ËÁ÷³ÌÖÐÉæ¼°µÄ»ù±¾·´Ó¦ÀàÐÍÓÐ4ÖÖ
¢ÚÔÚ´ËÁ÷³ÌÖпÉÒÔÑ»·ÀûÓõÄÎïÖÊÊÇ ¡£
£¨4£©¼ÒÖÐÕôÂøÍ·³£ÓõĴ¿¼îÖк¬ÓÐÉÙÁ¿NaCl£¬Ä³ÊµÑéС×éÒª²â¶¨¸Ã´¿¼îÖÐNa2CO3µÄÖÊÁ¿·ÖÊý£¬È¡12g´¿¼îÑùÆ··ÅÈëÉÕ±ÖУ¬ÖðµÎ¼ÓÈëÏ¡ÑÎËáÖÁ²»ÔÙ²úÉúÆøÅÝ£¬´ËʱÉÕ±ÖÐûÓв»ÈÜÎ¹²ÏûºÄÏ¡ÑÎËá72.4g£¬²âµÃ·´Ó¦ºóÈÜÒºµÄÖÊÁ¿Îª80g¡£Çë°ïÖúʵÑéС×éÍê³ÉÒÔϼÆËã(д³ö¼ÆËã¹ý³Ì)£º
£¨1£©¸ù¾ÝÖÊÁ¿Êغ㶨ÂɼÆËãÉú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿
£¨2£©ÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊýÊǶàÉÙ?
£¨1£©¼ÒÓÃȼÁϵĸüйý³ÌÈçÏ£ºÃº¡úÒº»¯Ê¯ÓÍÆø»ò¹ÜµÀúÆø¡úÌìÈ»Æø£¬ ÏÂÁÐÓйؼÒÓÃȼÁϸüеÄÀíÓÉ£¬ÕýÈ·µÄÊÇ (Ñ¡Ìî×Öĸ)¡£
A£®ÌìÈ»ÆøÊôÓÚ¿ÉÔÙÉúÄÜÔ´ B£®ÆøÌåȼÁϱȹÌÌåȼÁÏÀûÓÃÂʸü¸ß
C£®ÌìÈ»Æø×÷ΪȼÁϿɱÜÃâÎÂÊÒЧӦµÄ·¢Éú D£®Ãº½ö½öÓÃ×÷ȼÁÏÉÕµôÀË·Ñ×ÊÔ´
£¨2£©Ë®ÊÇÉúÃüÖ®Ô´£¬ºÏÀíÀûÓúͱ£»¤Ë®×ÊÔ´ÊÇÎÒÃÇÒå²»ÈݴǵÄÔðÈΡ£
¢Ù Éè·¨³ýȥӲˮÖÐµÄ £¬¿ÉÒÔʹӲˮÈí»¯³ÉÈíË®¡£
¢Ú ¹«¹²³¡Ëù¿ÉÀûÓá°»îÐÔÌ¿+³¬ÂËĤ+×ÏÍâÏß¡±×éºÏ¹¤ÒÕ»ñµÃÖ±ÒûË®£¬ÆäÖлîÐÔÌ¿Ö÷ÒªÆð______×÷Óá£
£¨3£©º£Ë®ÖÐÓдóÁ¿¿ÉÒÔÀûÓõĻ¯Ñ§×ÊÔ´£¬ÆäÖÐËùº¬µÄÂÈ»¯Ã¾ÊǽðÊôþµÄÖØÒªÀ´Ô´Ö®Ò»¡£´Óº£Ë®ÖÐÌáÈ¡½ðÊôþ£¬¿É°´ÏÂͼÁ÷³Ì½øÐУº
¢ÙÏÂÁÐÓйØ˵·¨ÕýÈ·µÄÊÇ (Ñ¡Ìî×Öĸ)¡£
A£®²½Öè¢ñͨ¹ýÒ»²½·´Ó¦¼´¿ÉʵÏÖ B£®²½Öè¢ò¡¢¢ó¡¢¢ôµÄÄ¿µÄÊÇ´Óº£Ë®ÖÐÌá´¿ÂÈ»¯Ã¾
C£®²½Öè¢õÖл¯Ñ§ÄÜת»¯ÎªµçÄÜ D£®ÔÚ´ËÁ÷³ÌÖÐÉæ¼°µÄ»ù±¾·´Ó¦ÀàÐÍÓÐ4ÖÖ
¢ÚÔÚ´ËÁ÷³ÌÖпÉÒÔÑ»·ÀûÓõÄÎïÖÊÊÇ ¡£
£¨4£©¼ÒÖÐÕôÂøÍ·³£ÓõĴ¿¼îÖк¬ÓÐÉÙÁ¿NaCl£¬Ä³ÊµÑéС×éÒª²â¶¨¸Ã´¿¼îÖÐNa2CO3µÄÖÊÁ¿·ÖÊý£¬È¡12g´¿¼îÑùÆ··ÅÈëÉÕ±ÖУ¬ÖðµÎ¼ÓÈëÏ¡ÑÎËáÖÁ²»ÔÙ²úÉúÆøÅÝ£¬´ËʱÉÕ±ÖÐûÓв»ÈÜÎ¹²ÏûºÄÏ¡ÑÎËá72.4g£¬²âµÃ·´Ó¦ºóÈÜÒºµÄÖÊÁ¿Îª80g¡£Çë°ïÖúʵÑéС×éÍê³ÉÒÔϼÆËã(д³ö¼ÆËã¹ý³Ì)£º
£¨1£©¸ù¾ÝÖÊÁ¿Êغ㶨ÂɼÆËãÉú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿
£¨2£©ÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊýÊǶàÉÙ?
£¨1£©D £¨2£©¸Æ¡¢Ã¾»¯ºÏÎ»ò¿ÉÈÜÐÔµÄCa2+¡¢Mg2+£© Îü¸½ £¨3£©¢ÙB ¢ÚÂÈ»¯Çâ £¨4£©¢Ù4.4g ¢Ú 10.6g 88.3%
ÊÔÌâ·ÖÎö£º£¨1£©A£®ÌìÈ»ÆøÊÇ»¯Ê¯È¼ÁÏ£¬ÊôÓÚ²»¿ÉÔÙÉúÄÜÔ´£¬¹ÊA´íÎó£»B£®ÆøÌåȼÁϱȹÌÌåȼÁÏ·Ö×Ó¼ä¸ô´ó£¬ÓëÑõÆø½Ó´¥³ä·Ö£¬ÀûÓÃÂʸü¸ß£¬¹ÊBÕýÈ·£»C£®ÌìÈ»Æø×÷ΪȼÁÏÒ²Éú³É¶þÑõ»¯Ì¼£¬ËùÒÔ²»¿É±ÜÃâÎÂÊÒЧӦµÄ·¢Éú£¬ÇÒÆäÖ÷Òª³É·Ö¼×ÍéÒ²ÄܲúÉúÎÂÊÒЧӦ£¬¹ÊC´íÎó£»D£®Ãº½ö½öÓÃ×÷ȼÁÏÉÕµôÀË·Ñ×ÊÔ´£¬»¹¿ÉÒÔÉî¼Ó¹¤£¬¹ÊDÕýÈ·£»¹ÊÑ¡D
£¨2£©¢ÙӲˮÊÇÖ¸º¬Óн϶à¿ÉÈÜÐԵĸơ¢Ã¾»¯ºÏÎïµÄË®£¬ËùÒÔÉè·¨³ýȥӲˮÖеĸơ¢Ã¾»¯ºÏÎ»ò¿ÉÈÜÐÔµÄCa2+¡¢Mg2+£©£¬¿ÉÒÔʹӲˮÈí»¯³ÉÈíË®£»¢Ú¹«¹²³¡Ëù¿ÉÀûÓá°»îÐÔÌ¿+³¬ÂËĤ+×ÏÍâÏß¡±×éºÏ¹¤ÒÕ»ñµÃÖ±ÒûË®£¬ÆäÖлîÐÔÌ¿Ö÷ÒªÆðÎü¸½×÷Óã»
£¨3£©¢ÙA£®²½Öè¢ñÊÇ̼Ëá¸Æ¸ßÎÂìÑÉÕÉú³ÉÑõ»¯¸Æ£¬Ñõ»¯¸ÆºÍË®·´Ó¦Éú³ÉÇâÑõ»¯¸Æ£¬ËùÒÔͨ¹ýÒ»²½·´Ó¦²»¿ÉʵÏÖ£»B£®²½Öè¢ò¡¢¢ó¡¢¢ôµÄÄ¿µÄÊÇ´Óº£Ë®ÖÐÌᴿŨ¶È¸ü¸ßµÄÂÈ»¯Ã¾£»C£®²½Öè¢õÖÐÊǵçÄÜת»¯Îª»¯Ñ§ÄÜ£»D£®ÔÚ´ËÁ÷³ÌÖÐÉæ¼°µÄ»ù±¾·´Ó¦ÀàÐÍÒÀ´Î·ÖÎö¿ÉÖªÓÐ3ÖÖ£º·Ö½â·´Ó¦¡¢»¯ºÏ·´Ó¦¡¢¸´·Ö½â·´Ó¦£¬Ã»ÓÐÖû»·´Ó¦£»¹ÊÑ¡B
¢ÚÉú³ÉµÄÂÈ»¯ÇâÆøÌåÈÜÓÚË®ÐγÉÑÎËᣬ»¹¿ÉÒÔºÍÇâÑõ»¯Ã¾·´Ó¦£¬ËùÒÔÔÚ´ËÁ÷³ÌÖпÉÒÔÑ»·ÀûÓõÄÎïÖÊÊÇÂÈ»¯Ç⣻
£¨4£©¢Ù¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ£¬Éú³ÉµÄ¶þÑõ»¯Ì¼µÄÖÊÁ¿¾ÍÊÇ×ÜÖÊÁ¿¼õÉÙµÄÖÊÁ¿£¬¼´£º12g+72.4g-80g¨T4.4g£»
¢ÚÉèÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿Îªx
Na2CO3+2HCl¨T2NaCl+H2O+CO2¡ü
106 44
x 4.4g
= x¨T10.6g
ËùÒÔÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊýΪ£º¡Á100%¨T88.3%
´ð£ºÉú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿Îª4.4g£»ÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊýΪ88.3%
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿