Question

ÏÂÁÐÈÜÒºÖУ¬Î¢Á£µÄÎïÖʵÄÁ¿Å¨¶È¹ØϵÕýÈ·µÄÊÇ£¨¡¡¡¡£©

A£®1.0 mol?L-1µÄNa2CO3ÈÜÒº£ºc£¨OH-£©=c£¨H+£©+c£¨HCO3-£©+2c£¨H2CO3£©

B£®1.0 mol?L-1µÄNH4ClÈÜÒº£ºc£¨NH4+£©=c£¨Cl-£©

C£®Ïò´×ËáÄÆÈÜÒºÖмÓÈëÊÊÁ¿´×ËᣬµÃµ½µÄËáÐÔ»ìºÏÈÜÒº£ºc£¨Na+£©£¾c£¨CH3COO-£©£¾c£¨H+£©£¾c£¨OH-£©

D£®ÏòÏõËáÄÆÈÜÒºÖеμÓÏ¡ÑÎËᣬµÃµ½pH=1µÄ»ìºÏÈÜÒº£ºc£¨Na+£©=c£¨NO3-£©

Answer 1

A¡¢1.0 mol?L^-1µÄNa₂CO₃ÈÜÒºÖУ¬´æÔÚÖÊ×ÓÊغ㣺c£¨OH^-£©=c£¨H⁺£©+c£¨HCO₃^-£©+2c£¨H₂CO₃£©£¬¹ÊAÕýÈ·£»
B¡¢ÂÈ»¯ï§ÈÜÒºÖУ¬ï§¸ùÀë×ÓË®½â£¬ËùÒÔc£¨NH₄⁺£©£¼c£¨Cl^-£©£¬¹ÊB´íÎó£»
C¡¢´×ËáºÍ´×ËáÄƵĻìºÏÒºÏÔʾËáÐÔ£¬Ôò´×ËáµÄµçÀë³Ì¶È´óÓÚ´×Ëá¸ùµÄË®½â³Ì¶È£¬c£¨CH₃COO^-£©£¾c£¨Na⁺£©£¾c£¨H⁺£©£¾c£¨OH^-£©£¬¹ÊC´íÎó£»l
D¡¢ÏòÏõËáÄÆÈÜÒºÖеμÓÏ¡ÑÎËᣬËùµÃÈÜÒºÖдæÔÚµçºÉÊغ㣺c£¨H⁺£©+c£¨Na⁺£©=c£¨NO₃^-£©+c£¨Cl^-£©£¬ÈÜÒºÊÇËáÐÔÈÜÒº£¬ËùÒÔÇâÑõ¸ùÀë×ÓŨ¶È¿ÉÒÔºöÂÔ£¬ËùÒÔ0.1+c£¨Na⁺£©=c£¨NO₃^-£©£¬¹ÊD´íÎó£®
¹ÊÑ¡A£®