إعـــــــلان

**الشبلة** · 10-04-2012, 11:33 PM

هلا
انا بصراحه ما فاهمه التجربة واجد
وامس الاستاذ م الآب رسلنا طريقة الحل بس ما فهمتها

**الشبلة** · 10-04-2012, 11:35 PM

هاذي رسالته
Good evening students>>
I hope the experiment's six calculations will be not tough and tricky..
Here are some reminder hints:
1- find the total mass of HCl solution (HCl +H2O) in mixture using density
2- find the number of moles of OH- that is comes from NaOH using the volume of NaOH (use average volume), this is the number of moles of HCl, then use the molar mass of HCl to get the mass of pure HCl
3- subtract the mass of pure HCl from the total mass of the HCl mixture and this will be the mass of water in HCl mixture (use this mass of water in all calculations)
4- find the number of moles of the reactants and products that will be used in calculations of Kc.
5- Use the average volume of NaOH when calculate the nubmer of moles
6- In calculations of the number of moles of acetic acid, determine the number of moles using the volume of NaOH, then substract the number of moles of H+ that came from HCl in vails 1 and 2.
7- molarity is (mol/L) density (g/mL) and molar mass (g/mol)

Submit your report to doctor Mahmood Farah (office 2026)
I hope you will done the calculations completely
If you need any help, please come to my office (entrance 2031, office no. 4)
Best luck for you..

**لانسر2007** · 10-04-2012, 11:36 PM

موفقين بإذن الله...

**I am here** · 10-04-2012, 11:49 PM

بالتوفيق ..

الله يسهل عليكم كل صعب..

**وطال الإنتظار** · 11-04-2012, 07:19 AM

بالتوفيييق لكم

**حياتي لله** · 11-04-2012, 08:02 AM

شوي شوي بدينا نعرف ...................ها كم جبتوها لkc؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟ انا طلعتها 1.61 ......وواحد م الشباب طلعها 1.50.....

إعـــــــلان

التجربة السادسة ...كمستري 2

التجربة السادسة ...كمستري 2

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