Question

ÏÂÁÐÈÜÒºÖÐÓйØ΢Á£µÄÎïÖʵÄÁ¿Å¨¶È¹ØϵÕýÈ·µÄÊÇ£¨¡¡¡¡£©

A£®³£ÎÂϽ«ÎïÖʵÄÁ¿Å¨¶ÈÏàµÈµÄ´×ËáÄÆ¡¢´×ËáÁ½ÈÜÒºµÈÌå»ý»ìºÏ£¬»ìºÏºóµÄÈÜÒºÖУ¬ÒÑÖªc£¨Na+£©£¾c£¨CH3COOH£©£¬Ôò£ºc£¨Na+£©£¾c£¨CH3COO£©£¾c£¨OH£©£¾c£¨H+£©

B£®NaHSO3ºÍNaHCO3µÄÖÐÐÔ»ìºÏÈÜÒºÖУ¨SºÍC¾ùÓÃR±íʾ£©£ºC£¨Na+£©=c£¨HRO3-£©+2c£¨RO32-£©

C£®³£ÎÂÏ£¬ÎïÖʵÄÁ¿Å¨¶ÈºÍÌå»ý¶¼ÏàµÈµÄ¢ÙNa2SO3¢ÚNa2SO4¢ÛNaHSO4ÈýÖÖÈÜÒºÖÐÀë×Ó×ÜÊý£º¢Ù£¼¢Ú£¼¢Û

D£®³£ÎÂÏ£¬¢ÙpH=3µÄHClÈÜÒººÍpH=11µÄ°±Ë®µÈÌå»ý»ìºÏÒº¢ÚpH=3µÄHClÈÜÒº¢ÛpH=11µÄ°±Ë®ÖÐÓÉË®µçÀë³öµÄc£¨H£©£º¢Ù£¾¢Û£¾¢Ú

Answer 1

A¡¢Ê×ÏÈÊéд¸ÃÈÜÒºµÄµçºÉÊغãʽ£ºc£¨Na⁺£©+c£¨H⁺£©=c£¨CH₃COO£©+c£¨OH£©£¬È»ºó¸ù¾ÝÌâ¸Éc£¨Na⁺£©£¾c£¨CH₃COOH£©£¬ÍƳö´×ËáµÄµçÀë´óÓÚCH₃COOµÄË®½â£¬´Ó¶øµÃ³öc£¨H⁺£©£¾c£¨OH£©£¬ËùÒÔA´í£®
B¡¢Í¬ÑùÐèÒªÊéдµçºÉÊغãʽ£ºC£¨Na⁺£©+c£¨H⁺£©=c£¨HRO₃^-£©+2c£¨RO₃^2-£©+c£¨OH£©£¬ÈÜÒº³ÊÖÐÐÔ£¬ËµÃ÷c£¨H⁺£©=c£¨OH£©£¬´Ó¶øÍƳöC£¨Na⁺£©=c£¨HRO₃^-£©+2c£¨RO₃^2-£©£¬ËùÒÔBÕýÈ·£®
C¡¢Na₂SO₃ÈÜÒºÖУ¬ÒòÑÇÁòËá¸ùÀë×ÓµÄË®½â£¬µ¼ÖÂÀë×ÓÒ»¸ö±äÁ©£¬ËùÒÔÀë×Ó×ÜÊý×î¶à£®ËùÒÔC´í£®
D¡¢pH=3µÄHClºÍpH=11µÄ°±Ë®¾ù¶ÔË®µÄµçÀëÆðµ½ÒÖÖÆ×÷Ó㬲¢ÇÒÒÖÖƳ̶ÈÏàͬ£¬ËùÒÔ¢Û=¢Ú£¬D´í£®
¹ÊÑ¡£ºB