|
|
|
|||||||
| ÞÓã ÃÑÔíÝ ãäÊÏíÇÊ ÇáÌÇãÚÉ ÇáÞÓã ãÛáÞ ÈÍíË íÍæí ãæÇÖíÚ ÇáÇÓÊÝÓÇÑÇÊ æ ÇáØáÈÇÊ ÇáãÌÇÈ ÚäåÇ ..... |
Ýí ÍÇá æÌæÏ Ãí ãæÇÖíÚ Ãæ ÑÏæÏ
ãõÎÇáÝÉ ãä ÞÈá ÇáÃÚÖÇÁ¡ íõÑÌì ÇáÅÈáÇÛ ÚäåÇ ÝæÑðÇ ÈÇÓÊÎÏÇã ÃíÞæäÉ
( ÊÞÑíÑ Úä ãÔÇÑßÉ ÓíÆÉ )¡ æ ÇáãæÌæÏÉ ÃÓÝá ßá ãÔÇÑßÉ .
| ÂÎÑ ÇáãæÇÖíÚ |
|
ÚÇÌá ÚÇÌá ÚÇÇÇÇÇÇÇÌá ÊãÑíä Ýí ÇáßíãíÇÁ
|
|
ÃÏæÇÊ ÇáãæÖæÚ | ÇäæÇÚ ÚÑÖ ÇáãæÖæÚ |
2013-04-28, 20:37
|
ÑÞã ÇáãÔÇÑßÉ : 1 | ||||
|
ÚÇÌá ÚÇÌá ÚÇÇÇÇÇÇÇÌá ÊãÑíä Ýí ÇáßíãíÇÁ
SVP aider moi pour trouver la masse pour fabriquer 1M de CU 2+ a partir des cristaux (CUSO4 .5 H2O)==100% Vf=100ml,aussi
soit une solution H2SO4 de concentration 98% et 1.89 de densité preparer une solution a 10% H2SO4
|
||||
|
2013-04-28, 22:45
|
ÑÞã ÇáãÔÇÑßÉ : 2 | |||
|
Boone chance |
|||
| ÇáßáãÇÊ ÇáÏáÇáíÉ (Tags) |
| ÚÇÇÇÇÇÇÇÌá, ÚÇÌá |
|
|
ÇáãÔÇÑßÇÊ ÇáãäÔæÑÉ ÊÚÈÑ Úä æÌåÉ äÙÑ ÕÇÍÈåÇ ÝÞØ¡ æáÇ ÊõÚÈøÑ ÈÃí Ôßá ãä ÇáÃÔßÇá Úä æÌåÉ äÙÑ ÅÏÇÑÉ ÇáãäÊÏì
ÇáãäÊÏì ÛíÑ ãÓÄæá Úä Ãí ÅÊÝÇÞ ÊÌÇÑí Èíä ÇáÃÚÖÇÁ... ÝÚáì ÇáÌãíÚ ÊÍãøá ÇáãÓÄæáíÉ
Powered by vBulletin .Copyright © 2018 vBulletin Solutions, Inc
ÇáÚÑÖ ÇáÚÇÏí
