ÌâÄ¿ÄÚÈÝ
£¨16·Ö£©£¨Ïà¶ÔÔ×ÓÖÊÁ¿£ºNa 23 O 16 H 1£©
£¨1£©ÅäÖÆÎïÖʵÄÁ¿Å¨¶ÈΪ0.2 mol/LµÄNaOHÈÜÒº500 mL£¬Ìî¿Õ²¢Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨2£©ÏÂÁвÙ×÷¶ÔÅäÖƵÄNaOHÈÜҺŨ¶ÈÓÐÆ«¸ßÓ°ÏìµÄÊÇ_______
£¨3£©Ïò0.1 mol/LµÄAlCl3ÈÜÒºÖмÓÈë¹ýÁ¿µÄ0.2 mol/LµÄNaOHÈÜÒº£¬Ôò·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ
£¨4£©½«ÅäÖƺõÄ0.2 mol/LµÄNaOHÈÜÒºÖðµÎ¼ÓÈëµ½0.1 mol/LµÄCa£¨HCO3£©2ÈÜÒºÖУ¬Ôò·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ
£¨1£©ÅäÖÆÎïÖʵÄÁ¿Å¨¶ÈΪ0.2 mol/LµÄNaOHÈÜÒº500 mL£¬Ìî¿Õ²¢Çë»Ø´ðÏÂÁÐÎÊÌ⣺
Ó¦³ÆÁ¿NaOHµÄÖÊÁ¿/g | ÒѸøÒÇÆ÷ | ³ýÒѸøÒÇÆ÷Í⻹ÐèÒªµÄÆäËûÒÇÆ÷ |
| ÉÕ±¡¢Ò©³×¡¢ ÍÐÅÌÌìƽ | |
A£®³ÆÁ¿NaOH¹ÌÌåʱ£¬Â¶ÖÃÔÚ¿ÕÆøµÄʱ¼ä¹ý³¤ |
B£®Ñ¡ÓõÄÈÝÁ¿Æ¿ÄÚÓÐÉÙÁ¿µÄÕôÁóË® |
C£®ÔÚÉÕ±ÖÐÈܽâNaOHºó£¬Á¢¼´½«ËùµÃÈÜҺעÈëÈÝÁ¿Æ¿ÖÐ |
D£®ÔÚ¶¨ÈÝʱÑöÊÓÈÝÁ¿Æ¿¿Ì¶ÈÏß |
£¨4£©½«ÅäÖƺõÄ0.2 mol/LµÄNaOHÈÜÒºÖðµÎ¼ÓÈëµ½0.1 mol/LµÄCa£¨HCO3£©2ÈÜÒºÖУ¬Ôò·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ
£¨16·Ö£©
£¨1£©4.0£¨2·Ö£©£¨´ð4µÄ¸ø1·Ö£©£»500 mLÈÝÁ¿Æ¿¡¢²£Á§°ô¡¢½ºÍ·µÎ¹Ü¡¢Á¿Í²£¨8·Ö£©£¨ÈÝÁ¿Æ¿²»Ð´¹æ¸ñ²»¸ø·Ö£¬Ð´´í±ð×Ö²»¸ø·Ö£©
£¨2£©C£¨2·Ö£©
£¨3£©Al3+ + 4OH¡ª = AlO2¡ª + 2H2O£¨2·Ö£©
£¨4£©Ca2+ + HCO3¡ª + OH¡ª = CaCO3¡ý+ H2O£¨2·Ö£©
£¨1£©4.0£¨2·Ö£©£¨´ð4µÄ¸ø1·Ö£©£»500 mLÈÝÁ¿Æ¿¡¢²£Á§°ô¡¢½ºÍ·µÎ¹Ü¡¢Á¿Í²£¨8·Ö£©£¨ÈÝÁ¿Æ¿²»Ð´¹æ¸ñ²»¸ø·Ö£¬Ð´´í±ð×Ö²»¸ø·Ö£©
£¨2£©C£¨2·Ö£©
£¨3£©Al3+ + 4OH¡ª = AlO2¡ª + 2H2O£¨2·Ö£©
£¨4£©Ca2+ + HCO3¡ª + OH¡ª = CaCO3¡ý+ H2O£¨2·Ö£©
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿