ÌâÄ¿ÄÚÈÝ
ÒÑÖª20¡ãCʱCa (OH) 2µÄÈܽâ¶ÈΪ0.165g,ÏÖÓÐ20¡ãCʱº¬ÓÐ7.4gÈÜÖʵı¥ºÍ³ÎÇåʯ»ÒË®¡£Çë¼ÆËã:
(1)ÉÏÊö³ÎÇåʯ»ÒË®µÄÖÊÁ¿Îª____________g (¾«È·µ½1g)¡£
(2)ÏòÉÏÊö³ÎÇåʯ»ÒË®ÖÐͨÈëCO2,³ÁµíµÄÖÊÁ¿´ïµ½×î´óֵʱ£¬Í¨ÈëCO2µÄÖÊÁ¿Îª¶àÉÙ?____ (д ³ö¼ÆËã¹ý³Ì)
(3)ÒÑÖª: £¬ Ca (HCO3) 2 Ò×ÈÜÓÚË®¡£ÇëÔÚͼÖл³öͨÈëCO2¹ý³ÌÖгÁµíÖÊÁ¿µÄ±ä»¯ÇúÏß_____¡£
(4)ÁíÈ¡Ò»¶¨Á¿µÄ±¥ºÍ³ÎÇåʯ»ÒË®£¬Í¨ÈëÒ»¶Îʱ¼äµÄCO2,·´Ó¦ÎïÓëÉú³ÉÎïµÄÖÊÁ¿Èçϱí
ÎïÖÊ | Ca (OH) 2 | CO2 | CaCO3 | X | H2O |
ÖÊÁ¿/g | 14.8 | 13.2 | 10 | a | 1.8 |
Ôòa=______________£»·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ______________________________¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ϱíÁгöÁ˳ýÈ¥ÎïÖÊÖÐËùº¬ÉÙÁ¿ÔÓÖʵķ½·¨£¬ÆäÖÐÕýÈ·µÄÊÇ()
Ñ¡Ïî | ÎïÖÊ | ÔÓÖÊ | ³ýÈ¥ÔÓÖʵķ½·¨ |
A | CuSO4ÈÜÒº | H2SO4 | ¼Ó¹ýÁ¿µÄCuO,¹ýÂË |
B | KNO3 | K2SO4 | ¼ÓÊÊÁ¿BaCl2ÈÜÒº¡¢¹ýÂË¡¢Õô·¢ |
C | NaCl | Äàɳ | ¼ÓË®Èܽ⡢¹ýÂË¡¢Ï´µÓ¡¢¸ÉÔï |
D | NH3 | H2O | ͨ¹ýŨÁòËá |
A.A B.B C.C D.D