ÌâÄ¿ÄÚÈÝ
ÏÂÁÐʵÑé²Ù×÷ÓëÔ¤ÆÚʵÑéÄ¿µÄ»òËùµÃʵÑé½áÂÛÒ»ÖµÄÊÇ£¨¡¡¡¡£©
Ñ¡Ïî | ʵÑé²Ù×÷ | ʵÑéÄ¿µÄ»ò½áÂÛ |
A | ½«ÍÓëŨÏõËá·´Ó¦Éú³ÉµÄÆøÌåÊÕ¼¯ºóÓñùË®»ìºÏÎïÀäÈ´½µÎ | Ñо¿Î¶ȶԻ¯Ñ§Æ½ºâµÄÓ°Ïì |
B | ½«0.1mol/L NaOHÈÜÒºÓë0.5mol/L CuSO4ÈÜÒºµÈ Ìå»ý»ìºÏÖƵÃÇâÑõ»¯ÍÐü×ÇÒº |
ÓÃÓÚ¼ìÑéÈ©»ùµÄ´æÔÚ |
C | ³£ÎÂÏ£¬Ïò±¥ºÍNa2CO3ÈÜÒºÖмÓÉÙÁ¿BaSO4·ÛÄ©£¬ ¹ýÂË£¬ÏòÏ´¾»µÄ³ÁµíÖмÓÏ¡ÑÎËᣬÓÐÆøÅݲúÉú |
˵Ã÷³£ÎÂÏ Ksp£¨BaCO3£©£¼Ksp£¨BaSO4£© |
D | Ïòº¬ÓÐÉÙÁ¿±½·ÓµÄ±½ÖУ¬¼ÓÈëÊÊÁ¿µÄäåË®£¬³ä·Ö·´ Ó¦ºó¹ýÂË |
³ýÈ¥±½ÖÐÉÙÁ¿±½·Ó |
A£®A | B£®B | C£®C | D£®D |
A£®Å¨ÏõËáºÍÍ·´Ó¦Éú³É¶þÑõ»¯µª£¬¶þÑõ»¯µªºÍËÄÑõ»¯¶þµªÖ®¼ä´æÔÚ»¯Ñ§Æ½ºâ£¬ÇÒ¶þÑõ»¯µª×ª»¯ÎªËÄÑõ»¯¶þµªÊÇ·ÅÈÈ·´Ó¦£¬Î¶ÈÓ°Ïì¸Ã»¯Ñ§Æ½ºâ£¬ËùÒÔÄÜʵÏÖÄ¿µÄ£¬¹ÊAÕýÈ·£»
B£®½«0.1mol/L NaOHÈÜÒºÓë0.5mol/L CuSO4ÈÜÒºµÈÌå»ý»ìºÏʱ£¬ÁòËá͹ýÁ¿£¬ÁòËáÍÈÜÒº³ÊËáÐÔ£¬ËùÒÔÖƵõÄÇâÑõ»¯ÍÐü×ÇÒº³ÊËáÐÔ£¬ÓÃÇâÑõ»¯ÍÐü×ÇÒº¼ìÑéÈ©»ù£¬±ØÐëÊÇÔÚ¼îÐÔÌõ¼þÏ£¬ËùÒÔ²»ÄÜʵÏÖÄ¿µÄ£¬¹ÊB´íÎó£»
C¡¢³£ÎÂÏ£¬Ïò±¥ºÍNa2CO3ÈÜÒºÖмÓÉÙÁ¿BaSO4·ÛÄ©£¬²¿·ÖBaSO4Òò±¥ºÍNa2CO3ÈÜÒºÖиßŨ¶ÈCO32-ת»¯ÎªBaCO3£¬Òò´ËÏòÏ´¾»µÄ³ÁµíÖмÓÏ¡ÑÎËᣬÓÐÆøÅݲúÉú£¬µ«ÊÇKsp£¨BaCO3£©£¾Ksp£¨BaSO4£©£¬¹ÊC´íÎó£»
D£®±½·ÓºÍäåË®Éú³É³Áµí£¬µ«±½ÄÜÝÍÈ¡äåË®ÖеÄä壬ËùÒÔ²»ÄÜÓÃäåË®³ýÈ¥±½ÖÐÉÙÁ¿±½·Ó£¬ÎÞ·¨ÊµÏÖÄ¿µÄ£¬¹ÊD´íÎó£»
¹ÊÑ¡A£®
B£®½«0.1mol/L NaOHÈÜÒºÓë0.5mol/L CuSO4ÈÜÒºµÈÌå»ý»ìºÏʱ£¬ÁòËá͹ýÁ¿£¬ÁòËáÍÈÜÒº³ÊËáÐÔ£¬ËùÒÔÖƵõÄÇâÑõ»¯ÍÐü×ÇÒº³ÊËáÐÔ£¬ÓÃÇâÑõ»¯ÍÐü×ÇÒº¼ìÑéÈ©»ù£¬±ØÐëÊÇÔÚ¼îÐÔÌõ¼þÏ£¬ËùÒÔ²»ÄÜʵÏÖÄ¿µÄ£¬¹ÊB´íÎó£»
C¡¢³£ÎÂÏ£¬Ïò±¥ºÍNa2CO3ÈÜÒºÖмÓÉÙÁ¿BaSO4·ÛÄ©£¬²¿·ÖBaSO4Òò±¥ºÍNa2CO3ÈÜÒºÖиßŨ¶ÈCO32-ת»¯ÎªBaCO3£¬Òò´ËÏòÏ´¾»µÄ³ÁµíÖмÓÏ¡ÑÎËᣬÓÐÆøÅݲúÉú£¬µ«ÊÇKsp£¨BaCO3£©£¾Ksp£¨BaSO4£©£¬¹ÊC´íÎó£»
D£®±½·ÓºÍäåË®Éú³É³Áµí£¬µ«±½ÄÜÝÍÈ¡äåË®ÖеÄä壬ËùÒÔ²»ÄÜÓÃäåË®³ýÈ¥±½ÖÐÉÙÁ¿±½·Ó£¬ÎÞ·¨ÊµÏÖÄ¿µÄ£¬¹ÊD´íÎó£»
¹ÊÑ¡A£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿