ÌâÄ¿ÄÚÈÝ

ijζÈÏ£¬ÏòÒ»¶¨Ìå»ýµÄ0.1mol/L´×ËáÈÜÒºÖÐÖðµÎ¼ÓÈë0.1mol/LNaOHÈÜÒº£¬ÈÜÒºÖÐpOH¡¾×¢£ºpOH=-lgc(OH-)¡¿ÓëpHµÄ±ä»¯¹ØϵÈçͼËùʾ£¬ÔòÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
A£®MµãËùʾÈÜÒºÖÐc(Na+)©ƒc(CH3COO-)©ƒc(OH-)©ƒc(H+)
B£®NµãËùʾÈÜÒºÖÐc(CH3COO-)©ƒc(Na+)
C£®MµãºÍNµãËùʾÈÜÒºÖÐË®µÄµçÀë³Ì¶ÈÏàͬ
D£®QµãÏûºÄNaOHÈÜÒºµÄÌå»ýµÈÓÚ´×ËáÈÜÒºµÄÌå»ý
C

ÊÔÌâ·ÖÎö£º½â£ºÓÉÓÚ´×ËáÊÇÈõËᣬµçÀë³Ì¶ÈºÜС£¬Àë×ÓŨ¶ÈÒ²½ÏС£¬MµãÈÜÒºµÄµ¼µçÄÜÁ¦×îÈõ£¬¹ÊA´íÎó£»NµãËùʾÈÜҺΪ¼îÐÔ£¬¸ù¾ÝÈÜÒºµçºÉÊغãÒ×Åжϳö´Ëʱc£¨Na£«£©£¾c£¨CH3COO£­£©£¬¹ÊB´íÎó£»ÓÉÓÚMµãµÄH£«Å¨¶ÈµÈÓÚNµãµÄOH£­Å¨¶È£¬¶ÔË®µÄµçÀë³Ì¶ÈÒÖÖÆÄÜÁ¦Ïàͬ£¬ËùÒÔÁ½µãË®µçÀë³Ì¶ÈÏàͬ£¬¹ÊCÕýÈ·£»QµãµÄpOH=pH£¬ÈÜҺΪÖÐÐÔ£¬¶øÁ½ÕßµÈÌå»ý»ìºÏºóÉú³É´×ËáÄÆ£¬Ë®½âÏÔ¼îÐÔ£®ÔòËù¼ÓNaOHÈÜÒºÌå»ýÂÔСÓÚ´×ËáÈÜÒºµÄÌå»ý£¬¹ÊD´íÎó£»¹ÊÑ¡C¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø