½üÄêÀ´£¬ÎÒ¹úµçÁ¦¹©Çó³ÖÐø½ôÕÅ£¬ÓÈÒÔ2004Äê×îΪÑÏÖØ¡£Öйú¿ÆѧԺ¾­¹ý¶Ô¹úÄÚÄÜÔ´´¢±¸ºÍÓ¦Óõĵ÷ÑзÖÎöºóÈÏΪ£ºÌ«ÑôÄÜÊÇ×î¾­¼Ãʵ»Ý¡¢×îÊʺÏÖйú¹úÇéµÄÐÂÄÜÔ´£¬ÊÇÖйúÄËÖÁÊÀ½çÃæÁÙÄÜԴΣ»úµÄ×î¼Ñ½â¾ö·½°¸¡£Ì«ÑôÄܵÄÓ¦ÓÃÔÚ·¢´ï¹ú¼ÒÒѾ­·¢Õ¹µÃ±È½Ï³ÉÊìÁË£¬ÎÒ¹úÓ¦¸Ã´óÁ¦ÍÆÐÐÌ«ÑôÄÜÔÚÈÕ³£Éú»îÖеÄʹÓã¬ÒÔ±ã½ÚÔ¼µçÁ¦£¬Âú×ãÕý³£µÄÉú²ú¡¢Éú»îÐèÇó¡£Æ©È磬ÊÒÄÚ¿ÉÀûÓô¢ÄܽéÖÊ´¢´æÌ«ÑôÄÜ£¬ÆäÔ­ÀíÊÇ£º°×ÌìÔÚÌ«Ñô¹âÕÕÉäÏÂijÖÖ¹ÌÌåÑÎÈÛ»¯£¨ÊµÎªÑÎÈÜÓÚ×ÔÉíµÄ½á¾§Ë®£©ÎüÊÕÄÜÁ¿£¬Íí¼äÈÛÑÎÊͷųöÏàÓ¦ÄÜÁ¿£¬´Ó¶øʹÊÒεÃÒÔµ÷½Ú¡£ÒÑÖª¼¸ÖÖÑεÄÈ۵㼰ÈÛ»¯Ê±ÄÜÁ¿¸Ä±äÖµÈçϱíËùʾ
ÏÂÁÐÓйØ˵·¨ÕýÈ·µÄÊÇ
[     ]
¢Ù²»ÒËÑ¡ÓÃCaCl2¡¤6H2O ¢Ú¿ÉÑ¡ÓÃNa2SO4¡¤10H2OºÍNa2HPO4¡¤12H2O
¢Û×îºÃÑ¡ÓÃNa2S2O3¡¤5H2O ¢Ü×îºÃÑ¡ÓÃNa2SO4¡¤10H2O
A£®¢Ù¢Ú
B£®¢Ú¢Û
C£®¢Ù¢Û
D£®¢Ú¢Ü
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

½üÄêÀ´£¬ÎÒ¹úµçÁ¦¹©Çó³ÖÐø½ôÕÅ£¬ÓÈÒÔ2004Äê×îΪÑÏÖØ¡£Öйú¿ÆѧԺ¾­¹ý¶Ô¹úÄÚÄÜÔ´´¢±¸ºÍÓ¦Óõĵ÷ÑзÖÎöºóÈÏΪ£ºÌ«ÑôÄÜÊÇ×î¾­¼Ãʵ»Ý¡¢×îÊʺÏÖйú¹úÇéµÄÐÂÄÜÔ´£¬ÊÇÖйúÄËÖÁÊÀ½çÃæÁÙÄÜԴΣ»úµÄ×î¼Ñ½â¾ö·½°¸¡£Ì«ÑôÄܵÄÓ¦ÓÃÔÚ·¢´ï¹ú¼ÒÒѾ­·¢Õ¹µÃ±È½Ï³ÉÊìÁË£¬ÎÒ¹úÓ¦¸Ã´óÁ¦ÍÆÐÐÌ«ÑôÄÜÔÚÈÕ³£Éú»îÖеÄʹÓã¬ÒÔ±ã½ÚÔ¼µçÁ¦£¬Âú×ãÕý³£µÄÉú²ú¡¢Éú»îÐèÇó¡£Æ©È磬ÊÒÄÚ¿ÉÀûÓô¢ÄܽéÖÊ´¢´æÌ«ÑôÄÜ£¬ÆäÔ­ÀíÊÇ£º°×ÌìÔÚÌ«Ñô¹âÕÕÉäÏÂijÖÖ¹ÌÌåÑÎÈÛ»¯£¨ÊµÎªÑÎÈÜÓÚ×ÔÉíµÄ½á¾§Ë®£©ÎüÊÕÄÜÁ¿£¬Íí¼äÈÛÑÎÊͷųöÏàÓ¦ÄÜÁ¿£¬´Ó¶øʹÊÒεÃÒÔµ÷½Ú¡£ÒÑÖª¼¸ÖÖÑεÄÈ۵㼰ÈÛ»¯Ê±ÄÜÁ¿¸Ä±äÖµÈçϱíËùʾ£º

ÑÎ

ÈÛµã/¡æ

ÖÊÁ¿£¨g£©ÓëÏà¶Ô·Ö×ÓÖÊÁ¿ÊýÖµÏàµÈµÄÑÎÈÛ»¯Ê±ÎüÈÈ/kJ

CaCl2¡¤6H2O

29.0

37.3

Na2SO4¡¤10H2O

32.4

87.0

Na2HPO4¡¤12H2O

36.1

100.1

Na2S2O3¡¤5H2O

48.5

49.7

ÏÂÁÐÓйØ˵·¨ÕýÈ·µÄÊÇ£¨    £©

¢Ù²»ÒËÑ¡ÓÃCaCl2¡¤6H2O  ¢Ú¿ÉÑ¡ÓÃNa2SO4¡¤10H2OºÍNa2HPO4¡¤12H2O  ¢Û×îºÃÑ¡ÓÃNa2S2O3¡¤5H2O  ¢Ü×îºÃÑ¡ÓÃNa2SO4¡¤10H2O

A.¢Ù¢Ú                     B.¢Ú¢Û                      C.¢Ù¢Û                         D.¢Ú¢Ü

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸