ÌâÄ¿ÄÚÈÝ
ijÐËȤС×éͬѧ¶ÔʵÑéÊÒÖƱ¸ÑõÆøµÄÌõ¼þ½øÐÐÈçÏÂ̽¾¿ÊµÑé¡£
¢ÙΪ̽¾¿´ß»¯¼ÁµÄÖÖÀà¶ÔË«ÑõË®·Ö½âËٶȵÄÓ°Ï죬¼×Éè¼ÆÒÔ϶ԱÈʵÑ飺
¢ñ£®½«3.0g 10%H2O2ÈÜÒºÓë1.0 g MnO2¾ùÔÈ»ìºÏ
¢ò£®½«x g10% H2O2ÈÜÒºÓë1.0g CuO¾ùÔÈ»ìºÏ
ÔÚÏàͬζÈÏ£¬ ±È½ÏÁ½×éʵÑé²úÉúO2µÄ¿ìÂý¡£
¢ñÖз´Ó¦µÄ»¯Ñ§£¨·ûºÅ£©±í´ïʽÊÇ____¡ø____£»¢òÖÐxµÄֵӦΪ___¡ø_____¡£
¢ÚÒÒ̽¾¿ÁËÓ°ÏìË«ÑõË®·Ö½âËٶȵÄijÖÖÒòËØ¡£ÊµÑéÊý¾Ý¼Ç¼ÈçÏ£º
Ë«ÑõË®µÄÖÊÁ¿ | Ë«ÑõË®µÄŨ¶È | MnO2µÄÖÊÁ¿ | Ïàͬʱ¼äÄÚ²úÉúO2Ìå»ý | |
¢ñ | 50.0g | 1% | 0.1g | 9 mL |
¢ò | 50. 0g | 2% | 0.1g | 16 mL |
¢ó | 50.0g | 4% | 0.1g | 31 mL |
±¾ÊµÑéÖУ¬²âÁ¿O2Ìå»ýµÄ×°ÖÃÊÇ____¡ø____£¨Ìî±àºÅ£©¡£
ʵÑé½áÂÛ£ºÔÚÏàͬÌõ¼þÏ£¬______¡ø_________£¬Ë«ÑõË®·Ö½âµÃÔ½¿ì¡£
±ûÓÃÓÒͼװÖýøÐÐʵÑ飬ͨ¹ý±È½Ï______¡ø_____Ò²ÄܴﵽʵÑéÄ¿µÄ¡£
¢ÙÂÔ 3.0
¢ÚC Ë«ÑõˮŨ¶ÈÔ½´ó Ïàͬʱ¼äÌìƽ¶ÁÊý²îÖµ´óС£¨ÆäËüºÏÀíÒ²¿É£©
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿