£¨1£©ÖÐѧ½Ì²ÄÉÏͼʾÁËNaCl¾§ÌåµÄ½á¹¹£¬ËüÏòÈýά¿Õ¼äÑÓÉìÐγÉÍêÃÀ¾§Ìå¡£Ñõ»¯Äø£¨NiO£©¾§ÌåµÄ½á¹¹ÓëNaClÏàͬ£¬Ni2+Óë×îÁÚ½üµÄO2-ºË¼ä¾àÀëΪa¡Á10-8 cm¡£¼ÆËãNiO¾§ÌåµÄÃܶȣ¨ÒÑÖªNiOµÄĦ¶ûÖÊÁ¿Îª74.7 g¡¤ mol-1£©¡£
£¨2£©ÌìÈ»µÄºÍ¾ø´ó²¿·ÖÈ˹¤ÖƱ¸µÄ¾§Ì嶼´æÔÚ¸÷ÖÖȱÏÝ£¬ÀýÈçÔÚijÖÖNiO¾§ÌåÖоʹæÔÚÈçÏÂͼµÄȱÏÝ£ºÒ»¸öNi2+¿Õȱ£¬ÁíÓÐÁ½¸öNi2+±»Á½¸öNi3+ËùÈ¡´ú¡£Æä½á¹û¾§ÌåÈԳʵçÖÐÐÔ£¬µ«»¯ºÏÎïÖÐNiºÍOµÄ¸öÊý±ÈÈ´·¢ÉúÁ˱仯¡£Ä³Ñõ»¯ÄøÑùÆ·µÄ×é³ÉΪNi0.97O£¬ÊÔ¼ÆËã¸Ã¾§ÌåÖÐNi3+ÓëNi2+µÄÀë×ÓÊýÖ®±È¡£
£¨1£© g¡¤cm-3 £¨2£©6¡Ã91
£¨1£©Ñ¡¶¨ÈçϵÄÒ»¸öСÁ¢·½ÌåÀ´½øÐмÆË㣺
´Óͳ¼ÆµÄ½Ç¶È¿´£¬¸ÃСÁ¢·½Ìå¾ßÓеÄNi2+¡ªO2-Àë×Ó¶ÔÊýΪ0.5¡£
СÁ¢·½ÌåµÄÖÊÁ¿£º¡Á0.5=6.20¡Á10-23 g
СÁ¢·½ÌåµÄÌå»ý£º£¨a¡Á10-8 cm )3=a3¡Á10-24 cm3
СÁ¢·½ÌåµÄÃܶÈΪ£º =
£¨2£©Éè1 mol Ni0.97OÖк¬Ni3+µÄÎïÖʵÄÁ¿Îªx£¬ÔòNi2+µÄÎïÖʵÄÁ¿Îª0.97£x¡£
¸ù¾Ý¾§Ìå³ÊµçÖÐÐÔ¿ÉÁгö£º3x+2(0.97£x)=2£¬½âµÃx=0.06
ÔòÀë×ÓÊýÖ®±ÈΪ£ºNi3+¡ÃNi2+=0.06¡Ã(0.97£0.06)=6¡Ã91
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
NiO£¨Ñõ»¯Äø£©¾§ÌåµÄ½á¹¹ÓëNaClÏàͬ£¬Ni2+Óë×îÁÚ½üO2£µÄºË¼ä¾àÀëΪa¡Á10£8 cm£¬¼ÆËãNiO¾§ÌåµÄÃܶȡ££¨ÒÑÖªNiOµÄĦ¶ûÖÊÁ¿Îª74.7 g¡¤mol£1£©
£¨2£©ÌìÈ»µÄºÍ¾ø´ó²¿·ÖÈ˹¤ÖƱ¸µÄ¾§Ì嶼´æÔÚȱÏÝ£¬ÀýÈçÔÚijÖÖNiO¾§ÌåÖоʹæÔÚÈçͼËùʾµÄȱÏÝ£ºÒ»¸öNi2+¿Õȱ£¬ÁíÓÐÁ½¸öNi2+±»Á½¸öNi3+ËùÈ¡´ú¡£Æä½á¹ûÊǾ§ÌåÈԳʵçÖÐÐÔ£¬µ«»¯ºÏÎïÖÐNiºÍOµÄ±Èֵȴ·¢ÉúÁ˱仯¡£Ä³Ñõ»¯ÄøÑùÆ·×é³ÉΪNi0.97O£¬ÊÔ¼ÆËã¸Ã¾§ÌåÖÐNi3+ÓëNi2+µÄÀë×ÓÊýÖ®±È¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
£¨2£©ÌìÈ»µÄºÍ¾ø´ó²¿·ÖÈ˹¤ÖƱ¸µÄ¾§Ì嶼´æÔÚ¸÷ÖÖȱÏÝ£¬ÀýÈçÔÚijÖÖNiO¾§ÌåÖоʹæÔÚÈçÏÂͼµÄȱÏÝ£ºÒ»¸öNi2+¿Õȱ£¬ÁíÓÐÁ½¸öNi2+±»Á½¸öNi3+ËùÈ¡´ú¡£Æä½á¹û¾§ÌåÈԳʵçÖÐÐÔ£¬µ«»¯ºÏÎïÖÐNiºÍOµÄ¸öÊý±ÈÈ´·¢ÉúÁ˱仯¡£Ä³Ñõ»¯ÄøÑùÆ·µÄ×é³ÉΪNi0.97O£¬ÊÔ¼ÆËã¸Ã¾§ÌåÖÐNi3+ÓëNi2+µÄÀë×ÓÊýÖ®±È¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
£¨2£©ÌìÈ»µÄºÍ¾ø´ó²¿·ÖÈ˹¤ÖƱ¸µÄ¾§Ì嶼´æÔÚ¸÷ÖÖȱÏÝ£¬ÀýÈçÔÚijÖÖNiO¾§ÌåÖоʹæÔÚÈçͼµÄȱÏÝ£ºÒ»¸öNi2+¿Õȱ£¬ÁíÓÐÁ½¸öNi2+±»Á½¸öNi3+ËùÈ¡´ú¡£Æä½á¹û¾§ÌåÈԳʵçÖÐÐÔ£¬µ«»¯ºÏÎïÖÐNiºÍOµÄ±Èֵȴ·¢ÉúÁ˱仯¡£Ä³Ñõ»¯ÄøÑùÆ·µÄ×é³ÉΪNi0.97O£¬ÊÔ¼ÆËã¸Ã¾§ÌåÖÐNi3+ÓëNi2+µÄÀë×ÓÊýÖ®±È¡£
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com