æ°§åé¬ç»¿å称ä¸æ°§åäºé¬ãæ°§åé¬ï¼ååé151.99ããåå¦å¼ãCr2O3
å¶å¤æ¹æ³ï¼
æ°§åè¿åæ³ãã
ç±éé¬é
¸é¾å硫磺混ååè¿è¡è¿åååºï¼ç»æ¹¿ç£¨ãçæ°´æ´æ¶¤ãå滤ãå¹²ç¥ãç²ç¢å¶å¾ãã
ãK2Cr2O7 + S == K2SO4 + Cr2O3[3]
ä¸æ°§åé¬å解æ³ãã
亦å¯ç¨é¬é
¸é
ç»1100âçå解ï¼å·å´ï¼é«éç²ç¢å¶å¾ããã
4CrO3 =1100°C= 2Cr2O3 + 3O2â[3]
氢氧åé¬å解æ³ã
ãæç¨æ°¢æ°§åé¬å¨é«æ¸©ä¸çå解ï¼ç»æ´æ¶¤ï¼å¹²ç¥ï¼ç²ç¢å¶å¾ãã
ã2Cr(OH)3 =â³= Cr2O3 + 3H2O[3]
温馨提示：答案为网友推荐，仅供参考