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Topic: Making up solutions


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  eNAMEL Online Newsletter: John Burgess - chemical solutions
When making up solutions from solids, or diluting liquids using some instructions, there is not often any information upon the best ways of doing the job, and I propose here to suggest safe, simple and easy methods of going about it.
Make sure the measuring jug to hold the diluted liquid holds at least a litre, and is very clean ; it doesn't have to be dry.
Making up solutions is neither difficult nor inherently dangerous; just proceed slowly, think a little ahead, and read all the instructions and precautions on the bottles.
enews.heywoodenamels.com /common/eNAMEL_John_Burgess_preparing_chemical_solutions.html   (1170 words)

  
  Kids.Net.Au - Encyclopedia > Making up solutions   (Site not responding. Last check: )
To make a 1M (mole/litre) solution, add 29mL of the concentrate to about 600mL of distilled water and dilute to 1 litre.
The reagent is made up by first dissolving 173g of Sodium citrate[?] and 100g ofanhydrous[?] Sodium Carbonate[?] in about 600ml of distilled water.
Iodine solution[?] is used to test for starch.
www.kids.net.au /encyclopedia-wiki/ma/Making_up_solutions   (707 words)

  
 Making Solutions
Molarity is a useful way of describing the concentrations of solutes in solution, as well as a source of useful conversion factors for converting between volume (an easily measurable property of solutions) and moles of solute.
The hydrochloric acid solutions a chemist is likely to use in reactions have concentrations of 1 M HCl or 6 M HCl, but solutions of this concentration would take up an inconvenient amount of storage space in a chemistry stockroom.
Thus, the number of moles of solute in the concentrated solution is equal to the number of moles of solute in the diluted solution.
www.mpcfaculty.net /mark_bishop/making_solutions.htm   (688 words)

  
 A Solution to Solutions? Some Elementary Guidelines
If we make a solution by dissolving 1 level teaspoon of a powder in half a pint of water we are measuring both in terms of volume.
When solutions are made up accurately by dissolving a solid in a liquid the solid is first dissolved in a small quantity of the liquid and the volume made up to the required level using a volumetric flask.
If we wish to make up a 10% w/v solution of magnesium bicarbonate (magnesium hydrogen carbonate to give it its correct name) we cannot obtain it by dissolving magnesium bicarbonate powder in the appropriate volume of water because it does not exist outside an aqueous solution.
palimpsest.stanford.edu /waac/wn/wn12/wn12-3/wn12-306.html   (1391 words)

  
 Making up solutions - Wikinfo
The reagent is made up by first dissolving 173g of Sodium citrate and 100g ofanhydrous Sodium Carbonate in about 600ml of distilled water.
The two solutions are then mixed together and when cool are made up to 1L with distilled water.
Iodine solution is used to test for starch.
www.wikinfo.org /wiki.php?title=Making_up_solutions   (2164 words)

  
 Making Solutions
When doing biological experiments, it is essential that the exact concentration of every solution be known.
of a solution since this is often critical in biological reactions.
solutions, which can absorb minor perturbations to pH, are often used to maintain the pH of a solution.
www.wellesley.edu /Biology/Concepts/Html/makingsolutions.html   (75 words)

  
 Making up solutions Details, Meaning Making up solutions Article and Explanation Guide
To make a 1M (mole/litre) solution, add 57mL of the concentrate to about 600mL of distilled water and dilute to 1 litre.
The best thing to do is to start making it up the day before you need it.
The reagent is made up by first dissolving 173g of sodium citrate and 100g of anhydrous sodium carbonate in about 600ml of distilled water.
www.e-paranoids.com /m/ma/making_up_solutions.html   (760 words)

  
 Solutions
If any of the ingredients are very bulky, or one is a liquid that will make up a large portion of the liquid, make sure that the total volume is no more than 75% of the final needed volume.
For example, if you are making 500 mls of 40% ethanol you will initially mix 200 mls of ethanol with about 175 mls of water (not 375mls).
Nearly all percentage solutions will be either weight:volume (w:v) or volume:volume (v:v) For a w:v solution you dissolve the appropriate weight of material into the desired final volume of solution.
www.ecsu.ctstateu.edu /personal/faculty/adams/solutions.html   (1251 words)

  
 Making Solutions Teaching Tip
Break up hard lumps of chemical with a mortar and pestle or by careful crushing in a plastic bag with a hammer.
Molar (M) solutions are based on the number of moles of chemical in 1 liter of solution.
The weight percent of a solution is the weight of chemical divided by the total weight of the solution (chemical + water) and multiplied by 100.
www.hometrainingtools.com /articles/making-chemical-solutions-science-teaching-tip.html   (781 words)

  
 ChemTips: 4 Making up solutions
One solution to the time problem is to make up batches of solutions at the start of terms, sufficient to meet most of the projected needs.
Thus you can do one session of weighings and making up solutions at the start of a year or term to produce a set of stock solutions, which can be stored and diluted down as required.
When making up bench reagents the stock solution can be measured out with a measuring cylinder; for analytical solutions it should be measured out using a pipette, depending on how precisely the stock solution is known.
www.ul.ie /~childsp/CinA/Issue67/TOC19_Cemtips.htm   (3248 words)

  
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 Inova Solutions: Gauging Contact Center Performance
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 Solutions of Kinetin, GA and IBA
I have some questions about making up solutions of Kinetin, GA and IBA.
I would suggest you store the stock solutions separately and make up your mixtures just before using them.
It would be wise to keep your solutions in the 'fridge.
www-saps.plantsci.cam.ac.uk /records/rec343.htm   (239 words)

  
 Legal Notice | Network Solutions
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www.networksolutions.com /legal/legal-notice.jsp   (1791 words)

  
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 making a subquery
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so i am making this in vb.net -- also there is a where clause in the first query
You'll need to explain it a little more before we can make sense of what you want.
www.experts-exchange.com /Databases/Microsoft_SQL_Server/Q_21828640.html   (993 words)

  
 Straight From the Heart - Personal Growth - Making Up After Breaking Up
Like a brush with death, breaking up can breathe new life and love back into a relationship that has lost its luster or that has stalled on the road to deeper commitment.
I hear couples say, "Even though we were broken up, I still felt connected to him." "I never stopped loving her." Often a couple wants a second chance to create a happier, more successful relationship.
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 SparkNotes: Colligative Properties of Solutions: Introduction and Summary
When a nonvolatile solute is dissolved in a solvent, the vapor pressure of the resulting solution is lower than that of the pure solvent.
When solutes are added to a liquid, forming a solution, the solute molecules disrupt the formation of crystals of the solvent.
When a solution is separated from a volume of pure solvent by a semi-permeable membrane that allows only the passage of solvent molecules, the height of the solution begins to rise.
www.sparknotes.com /chemistry/solutions/colligative/summary.html   (424 words)

  
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www.skmsolutions.com /makingmove.asp   (512 words)

  
 Making up solutions - Glasgledius   (Site not responding. Last check: )
To make a 1M (mole/litre) solution, add 29mL of the concentrate to about 600mL of distilled water and dilute to 1 litre.
The best thing do do is to start making it up the day before you need it.
The reagent is made up by first dissolving 173g of Sodium citrate[?] and 100g ofanhydrous[?] Sodium Carbonate[?] in about 600ml of distilled water.
www.glasglow.com /e2/ma/Making_up_solutions.html   (679 words)

  
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 Townhall.com::Blog
Marc Ambinder and Jim Geraghty make the case for McCain surviving.
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 Web Content Accessibility Guidelines 1.0
The theme of making content understandable and navigable is addressed primarily in guidelines 12 to 14.
If it is not possible to make the page usable without scripts, provide a text equivalent with the NOSCRIPT element, or use a server-side script instead of a client-side script, or provide an alternative accessible page as per checkpoint 11.4.
These text equivalents make presentations accessible to people who are deaf-blind and to people who cannot play movies, animations, etc. It also makes the information available to search engines.
www.w3.org /TR/WAI-WEBCONTENT   (9276 words)

  
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 Microsoft solutions for healthcare and life sciences
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 Match Solutions-Dating and Match Making Service for singles
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Your Match Solutions subscription includes a private mail box that is 100% secure.
It’s entirely up to you to determine down the road if you want to give your personal email address to another subscriber.
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