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Molar mass

molar mass

See: molecular weight.


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Re: Cell and Molecular Revision Question Help!!!

This is what I have.. Consider the Vector (Mass of Vector): pBR328 (4.9 x 103) x 660 = 2.94x106 Daltons Given: Moles = Mass/MW ... of vector Consider the Insert: Insert = 100 x 660 = 6.6 x 104 Daltons Ideal molar ratio 3:1 therefore x3 = (34 x10-15) x 3 = 102 x 10-15 Moles of Insert Given: ...

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by Didact1
Mon Sep 30, 2013 10:02 pm
 
Forum: Molecular Biology
Topic: Cell and Molecular Revision Question Help!!!
Replies: 4
Views: 2775

Re: Calculating the molecular concentration of DNA

... to times by two in this case. But if we were STRICTLY talking about MASS and not concentration, then my logic in thinking you would divide by ... we were to pretend that dsDNA was CH4 and that ssDNA was C2H6; keeping molar ratio 2:1. You obviously wouldn't divide CH4 by 2 to get the value ...

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by keetner
Sun Oct 07, 2012 11:11 pm
 
Forum: Molecular Biology
Topic: Calculating the molecular concentration of DNA
Replies: 6
Views: 5286

Calculating the molecular concentration of DNA

... If this is the case, wouldn't each base pair technically have different masses? A-T vs C-G? 2) Why do we multiply by two? The question says "find molar concentration of single strands of DNA..." -If 660 is the mass of a base pair, isn't ...

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by keetner
Sun Oct 07, 2012 7:49 pm
 
Forum: Molecular Biology
Topic: Calculating the molecular concentration of DNA
Replies: 6
Views: 5286

Chemistry

... isolates a colourless liquid with the properties of cyclohexane with molar mass 84.2g/mol from a petroleum sample. She uses the dumas method and obtains the following ...

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by Cyndyflirty2000
Sun Mar 13, 2011 9:07 am
 
Forum: General Discussion
Topic: Chemistry
Replies: 0
Views: 851

Possibilities for Alien Life

... the 3rd period elements might be a complication, as would the heavier molar mass of all biomolecules. Still, I think it's an interesting conceptual exercise, and one thing ...

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by alextemplet
Mon Nov 16, 2009 2:51 am
 
Forum: General Discussion
Topic: Possibilities for Alien Life
Replies: 9
Views: 6444
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