Question

£¨14·Ö£©³£ÎÂÏ£¬Ä³Ë®ÈÜÒºMÖдæÔÚµÄÀë×ÓÓУºNa⁺¡¢A^2-¡¢HA^-¡¢H⁺¡¢OH^-£¬´æÔڵķÖ×ÓÓÐH₂O¡¢H₂A¡£¸ù¾ÝÌâÒâ»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ð´³öËáH₂AµÄµçÀë·½³Ìʽ__________________________¡£
£¨2£©ÈôÈÜÒºMÓÉ10mL 2 mol¡¤L^-1NaHAÈÜÒºÓë2mol¡¤L^-1NaOHÈÜÒºµÈÌå»ý»ìºÏ¶øµÃ£¬ÔòÈÜÒºMµÄpH ________7 £¨Ìî¡°>¡±¡¢¡°<¡±»ò¡°=¡±£©£¬ÈÜÒºÖÐÀë×ÓŨ¶ÈÓÉ´óµ½Ð¡Ë³ÐòΪ    
ÒÑÖªK_sp£¨BaA£© = 1£®8¡Á10^-10£¬Ïò¸Ã»ìºÏÈÜÒºÖмÓÈë10mL 1 mol¡¤L^-1 BaCl₂ÈÜÒº£¬»ìºÏºóÈÜÒºÖеÄBa²⁺Ũ¶ÈΪ___________ mol¡¤L^-1¡£
£¨3£©ÈôÈÜÒºMÓÉÏÂÁÐÈýÖÖÇé¿ö£º¢Ù0£®01mol¡¤L^-1µÄH₂AÈÜÒº¢Ú0£®01mol¡¤L^-1µÄNaHAÈÜÒº¢Û0£®02mol¡¤L^-1µÄHClÓë0£®04mol¡¤L^-1µÄNaHAÈÜÒºµÈÌå»ý»ìºÏÒº£¬ÔòÈýÖÖÇé¿öµÄÈÜÒºÖÐH₂A·Ö×ÓŨ¶È×î´óµÄΪ_______    £»pHÓÉ´óµ½Ð¡µÄ˳ÐòΪ_________________                                 ¡£
£¨4£©ÈôÈÜÒºMÓÉpH=3µÄH₂AÈÜÒºV₁ mLÓëpH=11µÄNaOHÈÜÒºV₂ mL»ìºÏ·´Ó¦¶øµÃ£¬»ìºÏÈÜÒºC£¨H⁺£©/C£¨OH^-£©=10⁴£¬V₁ÓëV₂µÄ´óС¹ØϵΪ___________£¨Ìî¡°´óÓÚ¡¢µÈÓÚ¡¢Ð¡ÓÚ¡±»ò¡°¾ùÓпÉÄÜ¡±£©¡£

Answer 1

£¨14·Ö£©
£¨1£©H₂AH⁺ + HA^-  HA^-H⁺ + A^2- ¡­¡­£¨2·Ö£©£¨·½³Ìʽд´í¿ÛÁ½·Ö£©
£¨2£©£¾  ¡­¡­£¨2·Ö£©   c£¨Na⁺£©>c£¨A^2-£©>c£¨OH^-£©>c£¨HA^-£© >c£¨H⁺£©¡­¡­£¨2·Ö£©  5£®4¡Á10^-10 ¡­¡­£¨2·Ö£©
£¨3£© ¢Û¡­¡­£¨2·Ö£© ¢Ú£¾¢Û£¾¢Ù ¡­¡­£¨2·Ö£©
£¨4£©¾ùÓпÉÄÜ  ¡­¡­£¨2·Ö£©

ÂÔ