ÌâÄ¿ÄÚÈÝ
¡¡
ijѧÉúÀûÓÃпÓëÏ¡ÁòËá·´Ó¦Éú³ÉÁòËáп(ZnSO4)ºÍÇâÆøÀ´ÑéÖ¤ÖÊÁ¿Êغ㶨ÂÉ£¬Æä×°ÖÃÈçͼËùʾ£®×¶ÐÎÆ¿ÄÚµÄСÊÔ¹ÜÀï·ÅÓÐ×ãÁ¿µÄÏ¡ÁòËᣬ(¢ñ)ÖеÄbÊÇδ³äÆøµÄÆøÇò£¬×¶ÐÎÆ¿ÄÚ·ÅÓÐ6.5gп·Û£¬ÆøÇò½ô½ôÀ¦ÔúÔÚµ¼¹ÜÉÏ£¬×°ÖÃ(¢ñ)µÄÖÊÁ¿Îªm1g£®È»ºó½«Ð¡ÊÔ¹ÜÄÚµÄÁòËáÈ«²¿µ¹Èë׶ÐÎÆ¿ÄÚ£¬Á¢¼´²úÉúÆøÌ壬ÆøÇòÖð½¥Õʹ󣬴ýп·ÛÍêÈ«·´Ó¦ºóÈç(¢ò)ÖÐËùʾ£¬·´Ó¦½áÊøºóÔٴγÆÁ¿ÆäÖÊÁ¿Îªm2£®·¢ÏÖm1£¾m2(¸Ã×°ÖÃÆøÃÜÐÔÁ¼ºÃ)£¬ÊÔ·ÖÎö£º
(1)¸Ã·´Ó¦ÊÇ·ñ·ûºÏÖÊÁ¿Êغ㶨ÂÉ________£®
(2)m1£¾m2µÄÔÒòÊÇ________£®
(3)ÔÚʲôÌõ¼þϳÆÁ¿m1£½m2________£®
(4)ÔÚ±ê×¼×´¿öÏ£¬ÆøÇòµÄÌå»ý×î´ó²»³¬¹ý________L£®(±ê×¼×´¿öÏÂH2µÄÃܶÈΪ0.089g/L)
½âÎö£º
(1)·ûºÏ;(2)ÆøÇòÕÍ´óºóÊܵ½µÄ¸¡Á¦Ôö´ó;(3)Õæ¿ÕÖÐ;(4)ԼΪ2.24L |
|