ÌâÄ¿ÄÚÈÝ
Ïò×°ÓеÈÁ¿Ë®µÄA¡¢B¡¢CÉÕ±Öзֱð¼ÓÈë10g¡¢25g¡¢25gNaNO3¹ÌÌ壬³ä·ÖÈÜÒººó£¬ÏÖÏóÈçͼһËùʾ£®
£¨1£©ÉÕ±ÖеÄÈÜÒºÒ»¶¨ÊôÓÚ±¥ºÍÈÜÒºµÄÊÇ £¨ÌîÐòºÅ£©£®
£¨2£©Í¼¶þÄܱíʾNaNO3Èܽâ¶ÈÇúÏßµÄÊÇ £¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©£®
£¨3£©ÓÉͼ¶þ·ÖÎö£¬Èô·Ö±ð½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ót2¡æ½µÎµ½t1¡æ£¬¶ÔËùµÃÈÜÒºµÄÐðÊöÕýÈ·µÄ £¨ÌîÐòºÅ£©£®
A£®¼×¡¢ÒÒ¶¼ÊDZ¥ºÍÈÜÒº B£®Ëùº¬ÈܼÁÖÊÁ¿£º¼×£¼ÒÒ
C£®ÈÜÒºÖÊÁ¿£º¼×£¾ÒÒ D£®ÈÜÖÊÖÊÁ¿·ÖÊý£º¼×£¾ÒÒ
£¨4£©ÓÃKClºÍKH2PO4¹ÌÌåÅäÖƼØÔªËØ¡¢Á×ÔªËØ¡¢Ë®µÄÖÊÁ¿±ÈΪ78£º31£º10000µÄÖ²ÎïÉú³¤ÓªÑøÒº£¬ËùºÄÓõÄKClºÍKH2PO4µÄÖÊÁ¿±ÈΪ £®
£¨1£©ÉÕ±ÖеÄÈÜÒºÒ»¶¨ÊôÓÚ±¥ºÍÈÜÒºµÄÊÇ
£¨2£©Í¼¶þÄܱíʾNaNO3Èܽâ¶ÈÇúÏßµÄÊÇ
£¨3£©ÓÉͼ¶þ·ÖÎö£¬Èô·Ö±ð½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ót2¡æ½µÎµ½t1¡æ£¬¶ÔËùµÃÈÜÒºµÄÐðÊöÕýÈ·µÄ
A£®¼×¡¢ÒÒ¶¼ÊDZ¥ºÍÈÜÒº B£®Ëùº¬ÈܼÁÖÊÁ¿£º¼×£¼ÒÒ
C£®ÈÜÒºÖÊÁ¿£º¼×£¾ÒÒ D£®ÈÜÖÊÖÊÁ¿·ÖÊý£º¼×£¾ÒÒ
£¨4£©ÓÃKClºÍKH2PO4¹ÌÌåÅäÖƼØÔªËØ¡¢Á×ÔªËØ¡¢Ë®µÄÖÊÁ¿±ÈΪ78£º31£º10000µÄÖ²ÎïÉú³¤ÓªÑøÒº£¬ËùºÄÓõÄKClºÍKH2PO4µÄÖÊÁ¿±ÈΪ
¿¼µã£º±¥ºÍÈÜÒººÍ²»±¥ºÍÈÜÒº,¹ÌÌåÈܽâ¶ÈÇúÏß¼°Æä×÷ÓÃ,¾§ÌåºÍ½á¾§µÄ¸ÅÄîÓëÏÖÏó,ÈÜÖʵÄÖÊÁ¿·ÖÊý,ÔªËØÖÊÁ¿±ÈµÄ¼ÆËã
רÌ⣺ÈÜÒº¡¢×ÇÒºÓëÈܽâ¶È
·ÖÎö£º£¨1£©¡¢£¨2£©¡¢£¨3£©±¥ºÍÈÜÒºÊÇÖ¸ÔÚÒ»¶¨Î¶ÈÏ£¬ÔÚÒ»¶¨Á¿µÄÈܼÁÀï²»ÄÜÔÙ¼ÌÐøÈܽâijÖÖÈÜÖʵÄÈÜÒº£¬¸ù¾Ý±¥ºÍÈÜÒºÓë²»±¥ºÍÈÜÒºµÄת»¯Ñ¡ÔñºÏÊʵÄת»¯·½·¨£¬Èܽâ¶ÈÇúÏßÖн»µã±íʾÁ½ÖÖÎïÖÊÔÚ¸ÃζÈϵÄÈܽâ¶ÈÏàµÈ£¬¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊý¹«Ê½¼ÆËãËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý£¬½áºÏÈܽâ¶ÈÇúÏߺÍÐγɵÄÈÜÒº½øÐзÖÎö£»
£¨4£©±¾ÌâÏÈÉèKClºÍKH2PO4µÄÖÊÁ¿·Ö±ðΪxºÍy£¬ÔÙ¸ù¾Ý¹«Ê½£º»¯ºÏÎïÖÐijԪËØÖÊÁ¿=»¯ºÏÎïÖÊÁ¿¡Á»¯ºÏÎïÖиÃÔªËصÄÖÊÁ¿·ÖÊý£¬¿É·Ö±ðÁÐʽËã³ö¼ØÔªËغÍÁ×ÔªËصÄÖÊÁ¿£¬Á½ÕßÖ®±ÈΪ78£º31£¬Çó½âµÃ³öxºÍyÖ®±È£®
£¨4£©±¾ÌâÏÈÉèKClºÍKH2PO4µÄÖÊÁ¿·Ö±ðΪxºÍy£¬ÔÙ¸ù¾Ý¹«Ê½£º»¯ºÏÎïÖÐijԪËØÖÊÁ¿=»¯ºÏÎïÖÊÁ¿¡Á»¯ºÏÎïÖиÃÔªËصÄÖÊÁ¿·ÖÊý£¬¿É·Ö±ðÁÐʽËã³ö¼ØÔªËغÍÁ×ÔªËصÄÖÊÁ¿£¬Á½ÕßÖ®±ÈΪ78£º31£¬Çó½âµÃ³öxºÍyÖ®±È£®
½â´ð£º½â£º£¨1£©BÉÕ±ÖÐÓÐδÈܽâµÄ¹ÌÌ壬һ¶¨ÊDZ¥ºÍÈÜÒº£®
¹ÊÌB£»
£¨2£©¸ù¾ÝÉÕ±ÖÐÐγɵÄÈÜÒº¿ÉÖªÏõËáÄƵÄÈܽâ¶ÈËæζȵÄÉý¸ß¶øÔö´ó£®
¹ÊÌ¼×£»
£¨3£©·Ö±ð½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ót2¡æ½µÎµ½t1¡æ£¬
A¡¢ÒÒ±äΪ²»±¥ºÍÈÜÒº£¬¹ÊA´íÎó£»
B¡¢t2¡æʱ¼×µÄÈܽâ¶È´óÓÚÒÒµÄÈܽâ¶È£¬¹ÊÏàͬÖÊÁ¿µÄ¼×¡¢Òҵı¥ºÍÈÜÒºÖм׵ÄÈܼÁÖÊÁ¿Ð¡ÓÚÒÒµÄÈܼÁµÄÖÊÁ¿£¬½µµÍζȣ¬ÈܼÁµÄÖÊÁ¿²»±ä£¬ÈÔÈ»ÊǼף¼ÒÒ£¬¹ÊBÕýÈ·£»
C¡¢½µµÍζȣ¬¼×Îö³ö¹ÌÌ壬¶øÒÒ²»Îö³ö¹ÌÌ壬¹Ê¼×ÈÜÒºµÄÖÊÁ¿Ð¡ÓÚÒÒÈÜÒºµÄÖÊÁ¿£¬¹ÊC´íÎó£»
D¡¢½µµÍζȣ¬ÒÒµÄÈÜÖÊÖÊÁ¿·ÖÊý²»±ä£¬¼×µÄËäÈ»¼õС£¬µ«ÊÇÈÔÈ»´óÓÚÒҵģ¬¹ÊDÕýÈ·£»
¹ÊÑ¡£ºB¡¢D£»
£¨4£©½â£ºÉèKClºÍKH2PO4µÄÖÊÁ¿·Ö±ðΪxºÍy
Ôò¼ØÔªËغÍÁ×ÔªËØÖ®±È=£¨x¡Á
+y¡Á
£©
£ºy¡Á
=78£º31
¡àx£ºy=149£º272
¹ÊÌ149£º272£®
¹ÊÌB£»
£¨2£©¸ù¾ÝÉÕ±ÖÐÐγɵÄÈÜÒº¿ÉÖªÏõËáÄƵÄÈܽâ¶ÈËæζȵÄÉý¸ß¶øÔö´ó£®
¹ÊÌ¼×£»
£¨3£©·Ö±ð½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ót2¡æ½µÎµ½t1¡æ£¬
A¡¢ÒÒ±äΪ²»±¥ºÍÈÜÒº£¬¹ÊA´íÎó£»
B¡¢t2¡æʱ¼×µÄÈܽâ¶È´óÓÚÒÒµÄÈܽâ¶È£¬¹ÊÏàͬÖÊÁ¿µÄ¼×¡¢Òҵı¥ºÍÈÜÒºÖм׵ÄÈܼÁÖÊÁ¿Ð¡ÓÚÒÒµÄÈܼÁµÄÖÊÁ¿£¬½µµÍζȣ¬ÈܼÁµÄÖÊÁ¿²»±ä£¬ÈÔÈ»ÊǼף¼ÒÒ£¬¹ÊBÕýÈ·£»
C¡¢½µµÍζȣ¬¼×Îö³ö¹ÌÌ壬¶øÒÒ²»Îö³ö¹ÌÌ壬¹Ê¼×ÈÜÒºµÄÖÊÁ¿Ð¡ÓÚÒÒÈÜÒºµÄÖÊÁ¿£¬¹ÊC´íÎó£»
D¡¢½µµÍζȣ¬ÒÒµÄÈÜÖÊÖÊÁ¿·ÖÊý²»±ä£¬¼×µÄËäÈ»¼õС£¬µ«ÊÇÈÔÈ»´óÓÚÒҵģ¬¹ÊDÕýÈ·£»
¹ÊÑ¡£ºB¡¢D£»
£¨4£©½â£ºÉèKClºÍKH2PO4µÄÖÊÁ¿·Ö±ðΪxºÍy
Ôò¼ØÔªËغÍÁ×ÔªËØÖ®±È=£¨x¡Á
KµÄÏà¶ÔÔ×ÓÖÊÁ¿ |
KClµÄÏà¶Ô·Ö×ÓÖÊÁ¿ |
KµÄÏà¶ÔÔ×ÓÖÊÁ¿ |
KH2PO4µÄÏà¶Ô·Ö×ÓÖÊÁ¿ |
£ºy¡Á
PµÄÏà¶ÔÔ×ÓÖÊÁ¿ |
KH2PO4µÄÏà¶Ô·Ö×ÓÖÊÁ¿ |
¡àx£ºy=149£º272
¹ÊÌ149£º272£®
µãÆÀ£º±¾Ì⿼²éÁ˱¥ºÍÈÜÒºÓë²»±¥ºÍÈÜÒºµÄÏ໥ת»¯ÒÔ¼°Èܽâ¶ÈµÄÓйØ֪ʶ£¬Íê³É´ËÌ⣬¿ÉÒÔÒÀ¾ÝÒÑÓеÄ֪ʶ½øÐУ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ÏÂÁи÷×é±ä»¯ÖУ¬Ç°ÕßÊôÓÚÎïÀí±ä»¯£¬ºóÕßÊôÓÚ»¯Ñ§±ä»¯µÄÊÇ£¨¡¡¡¡£©
A¡¢¸ÖÌúÉúÐâ¡¢À¯ÖòȼÉÕ |
B¡¢¾Æ¾«È¼ÉÕ ¾Æ¾«»Ó·¢ |
C¡¢Ìú¿óʯ·ÛËé Ìú¿óʯÁ·³ÉÌú |
D¡¢ÍË¿µ¼µç µçµÆͨµç·¢¹â |
ΪȫÇòµØ±íζÈÌá¸ßµ½Ä¿Ç°ÊʺÏÈËÀà¾ÓסµÄ15¡æ×ö³öÍ»³ö¹±Ï×µÄÊÇ£¨¡¡¡¡£©
A¡¢ÎÂÊÒЧӦ | B¡¢°×É«ÎÛȾ |
C¡¢ËáÓ긯ʴ | D¡¢³ôÑõ¿Õ¶´ |