How to convert

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How to convert

Postby guest » Thu Feb 26, 2004 1:43 am

Could you please help me figure out how to convert 12.2 mg/l of Na to mmol/l?

Thanks!
guest
 

Re: How to convert

Postby Knight » Thu Feb 26, 2004 6:34 am

guest wrote:Could you please help me figure out how to convert 12.2 mg/l of Na to mmol/l?

Thanks!


First, a bit of background: The mole is the SI unit for the amount of a substance and one of the seven fundamental SI units. It is defined as the amount of substance of a system that contains as many elementary entities as there are atoms in 0.012 kilograms of carbon-12 (BIPM 1998, p. 97). It is abbreviated "mol," and the number of entities in a mole of substance is given by Avogadro's number, 6.022e+23.

Given that information, a quick trip to a periodic chart http://www.webelements.com/ tells us that Sodiums atomic weight is 22.989770. This means that one mole of sodium (6.022e+23 molecules) weighs 22.989770 grams

With that, we can figure this out:

We've got 12.2 mg of sodium in one liter. converting milligrams to grams, we divide by 1000, so we've got 0.0122 g/l

Next, we'll divide the number of grams of the sodium by the molecular weight, in moles per gram:

Code: Select all
0.0122 g/l
------------- = 5.3068e-4 mol/l
22.989770 mol
-------------
      g


To convert 5.3068e-4 mol/l to millimoles (mmol) per liter
5.3068e-4 mol/l * 1000 mmol/mol = 5.3068e-1 mmol/l
Knight
Expert
 
Posts: 309
Joined: Tue Jan 13, 2004 9:43 pm
Location: Los Alamos, NM

Glutathione convertion

Postby Tania Perez » Tue May 03, 2005 11:28 pm

hello, i am having trouble with glutathione units, i have my lab report in U/gr Hb and the books report iu/L??? how do i convert it??
Tania Perez
 

Re: pleeeeease help me figure this out

Postby Guest » Fri Nov 11, 2005 8:36 am

Anonymous wrote:If you have a mole of An atoms, how many atoms do you have?

*edit* An is supposed to be Zn
Guest
 

Re: pleeeeease help me figure this out

Postby Guest » Fri Nov 11, 2005 10:20 am

Anonymous wrote:
Anonymous wrote:If you have a mole of An atoms, how many atoms do you have?

*edit* An is supposed to be Zn


That's known as Avogadro's number and it is about 6.02 x 10^23. If you Google, you can find a more accurate number with a few more digits.
Guest
 

Re: How to convert

Postby Mahesh.B.S » Thu Jan 12, 2006 11:58 am

Could you please help me figure out how to convert 0.1 microgram/ml of Mg to mmol/mol?
Mahesh.B.S
 

vitamin D

Postby pwright@smgh.ca » Tue Jan 31, 2006 2:03 am

Can you tell me how to convert 10 pg/ml to IU?

Thanks.
pwright@smgh.ca
 

Help

Postby nutrition_2006 » Tue Jan 31, 2006 11:37 pm

Can you convert 910 mg of sodium to grams? How many gram would that be?
nutrition_2006
 

convert mol/L to mg/L

Postby Guest » Thu May 04, 2006 2:31 pm

hey can anyone show me how to conver mol/L to mg/L? thanx
Guest
 

mmol/l

Postby guets » Mon Jul 17, 2006 8:09 am

what are the [steps to do in order to make a solution with a certain concentration? For example need to get 25 mmol/liter of paraaminohippuric acid?thanks
guets
 

Re: convert mol/L to mg/L

Postby Guest » Thu Sep 14, 2006 5:48 pm

Anonymous wrote:hey can anyone show me how to conver mol/L to mg/L? thanx
Guest
 

Re: How to convert

Postby mondher noman » Mon Dec 11, 2006 3:44 pm

Could you please help me figure out how to convert 2.5 mg/ml of 4-nitrophenol (Mw= 139.11) intomicromol/ml ?
mondher noman
 
Posts: 2
Joined: Mon Dec 11, 2006 3:35 pm
Location: India

Re: Help

Postby Guest » Sat Oct 27, 2007 8:48 pm

nutrition_2006 wrote:Can you convert 910 mg of sodium to grams? How many gram would that be?
it will be0.910mg because 1g=1000mg
Guest
 

confused

Postby awie » Fri Nov 23, 2007 9:22 pm

okay... im afraid that i dont understand..actually...how do we convert mmol/l to mg/dl...

any formula...
awie
 

Postby Guest » Wed Feb 06, 2008 6:29 am

Hi, my background on metric system is very bad...so I was wondering how I would go from mg->g?
Guest
 

hey how do you calculate 56 millimol Na OH to moles

Postby lil Ush » Tue Mar 04, 2008 7:06 am

I know Millimol would be equal to .001, so I multiply 56 by .001 but how do I include sodium and Oxygen + hydrogen in the equation
lil Ush
 

Re: convert mol/L to mg/L

Postby Guest » Tue Dec 30, 2008 6:39 pm

Anonymous wrote:hey can anyone show me how to conver mol/L to mg/L? thanx

convert 20 mmole/l to g/l
Guest
 

help me out herre pleeease

Postby tacopilot » Fri Jan 09, 2009 4:13 am

can someone help me convert 50mg/ml to g/l 20,000ug/ml to g/l, 2340mg/ml to g/l, 500cg/l to g/l, 1.2mg/ml to g/l, 33400mg/l to g/l

please help
tacopilot
 

Postby Guest » Thu Jan 29, 2009 7:50 pm

how do i convert 60mmol/l of sodium to mg/l?
Guest
 

Re: How to convert

Postby Math » Sun Sep 19, 2010 3:56 am

Who do I convert 0.5mg/ml to mg/dL
Math
 

Re: How to convert

Postby sam » Wed Oct 06, 2010 1:07 am

how do you convert 2.34 mg/dL into ug/L
sam
 

Re: How to convert

Postby ayat » Sat Oct 30, 2010 9:38 pm

how to convert 10 millimole per litre of Ca,Na,Cl, andSO4 in water sample into milligram per litre and milliequavalent per litre???
ayat
 

Re: pleeeeease help me figure this out

Postby Guest » Fri Feb 18, 2011 8:26 am

Guest wrote:If you have a mole of An atoms, how many atoms do you have?


6.022*10^23 ?
Guest
 

hvac/r

Postby shawn » Tue Apr 05, 2011 4:28 am

can same one tell if i have duct size 8*16 and static pressuer is .050 what is the (cfm) cubic feet per minte what formula to use .
shawn
 

Re: How to convert RU/Ml to Pg/ml

Postby padma » Wed Apr 13, 2011 4:03 pm

how to convert values of RU/Ml to pg/ml
padma
 

Re: How to convert

Postby jen » Mon May 02, 2011 10:34 pm

8-10 mmol/liter is how many liters of saline?
jen
 

Re: How to convert

Postby peter » Tue Jun 14, 2011 1:23 am

how can I convert from micromole per litre to gram per litre
peter
 

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Re: convert mol/L to mg/L

Postby gg » Mon Jun 20, 2011 4:39 pm

Guest wrote:
Anonymous wrote:hey can anyone show me how to conver mol/L to mg/L? thanx
gg
 

Re: How to convert IgE IU/ml to mg/dl?

Postby hokieinhooville » Thu Jun 23, 2011 9:00 pm

I have an IgE value of 17.7 IU/ml that I need to convert to mg/dl. Can someone tell me how to do that?
hokieinhooville
 

Re: How to convert

Postby niknasrul » Wed Dec 07, 2011 5:13 pm

Anybody... pls help

Pls convert seawater CL- ( 0.559 mol/L) to g/L
niknasrul
 

Re: How to convert

Postby chitra » Thu Jul 03, 2014 9:47 am

CAN YOU HELP ME TO CONVERT 12 MICROMOAR BENZYL ADENINE TO MG/LIT.
chitra
 


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