User:Samiye Yaman/Notebook/Lab 581/2013/02/06: Difference between revisions
From OpenWetWare
Samiye Yaman (talk | contribs) |
Samiye Yaman (talk | contribs) |
||
| Line 15: | Line 15: | ||
==Description== | ==Description== | ||
*Hydrogels synthesized on 01/02/2013 was transferred from -20C to room temperature. | |||
'''Part A Synthesizing Phosphate Buffer''' | |||
* Concentration Needed; 20mMol | |||
*pH Needed: 7.4 | |||
*pka: 7.3m | |||
*base: sodium monophosphate | |||
*acid: sodium diphosphate | |||
*Acid + Base= 20 mmol therefore Base= 20mmol-acid | |||
*pH= pka+ log (base/acid) | |||
* (20mmol-acid)/acid= pH/pka | |||
(Base/acid)=1.25. | |||
*Acid=8.85mmol & Base= 11.15mmol | |||
Mass used for base: (119.98 g/mol)* 0.01115mol= 1.338g | |||
Mass used for acid: (141.96 g/mol) * 0.00885mol= 1.256g | |||
==Data== | ==Data== | ||
==Notes== | ==Notes== | ||
Revision as of 07:55, 6 February 2013
 Experimental Chemistry
|
<html><img src="/images/9/94/Report.png" border="0" /></html> Main project page <html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>Previous entry<html> </html>Next entry<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html> |
|
ObjectiveDescription
Part A Synthesizing Phosphate Buffer
(Base/acid)=1.25.
Mass used for base: (119.98 g/mol)* 0.01115mol= 1.338g Mass used for acid: (141.96 g/mol) * 0.00885mol= 1.256g DataNotes |
|
