Editing Making A Molarity Solution Lab With Solid Solute And Via Dilution
ChemistryWiki
|
RecentChanges
|
Preferences
<center><b>Make a Molarity Solution Lab</b></center><br> <center><b>Page 1 Solid Solute</b></center><br> <br> Your name:<br> Period:<br> Group Members:<br> Group Number/letter:<br> <br> <b>On separate sheet of paper, please show all work in answering the following question.</b><br> Determine the mass of _________________ (the solute) you need to add to water to make a _______________ liter solution.<br> <br> <br> <i>Fill in blanks below from work on other page</i><br> _______________ grams of _____________ you need to make a 500.mL solution <b>You need to pass in your calculations before doing lab</b><br> <b>Directions</b><br> 1. On piece of weighing paper, mass out solute.<br> 2. Add in approximately 1/4 - 1/2 DI water (from teacher) to the Volumetric flask.<br> 3. Using weighing paper as funnel, add in the solid solute (do not loss any solid during transfer)<br> 4. Get magnetic stirrer (and stirring rod) and swirl bottle to dissolve solid.<br> 5. Once all solid is dissolved, add water until you reach desired liquid level on Volumetric flask. ((usually need to use a pipette to get to desired volume).<br> 6. Put on magnetic stirrer again for final stirring.<br> 7. Write out label (using label tape) with:<br> a. All students initials<br> b. Period <br> c. Date<br> d. State the Molarity of the solution and the chemical formula of the substance. <br> 8. Place tape on 500mL plastic container.<br> 9. Pour your solution into the 500mL container. (there may be some solution that you can't fit in 500.mL solution, so put in sink.)<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <center><b>Make a Molarity Solution Lab</b></center><br> <center><b>Calculation Page</b></center><br> <center><b>Page 2 With Dilution</b></center><br> <br> Your name:<br> Period:<br> Group Members:<br> Group Number/letter:<br> <br> <b>Question</b><br> Determine the volume of the _____________ M (concentrated solution) you need to dilute to get 500mL of _______M (diluted solution). Chemical formula ___________ <br> <br> <b>Answer:</b> <br> <br> _______________ mL of ______________M (concentrated) _________________ solution (chemical formula). <br> <br> <b>Directions</b><br> <br> 1. Get (or clean ) a 500mL Volumetric flask.<br> 2. Get the appropriate volume graduated cylinder to measure out the volume of concentrated solution needed to make the diluted solution.<br> 3. Obtain the correct volume of concentrated solution (usually need to use a pipette to finish transfer). <br> 4. Add about 1/4 - 1/2 DI water into Volumetric flask.<br> 5. Pour concentrated solution into flask (in at least 2 portions). Use magnetic stirrer between portion to mix. <br> 6. Add rest of volume to the 500.mL mark with DI water ((usually need to use a pipette to get to desired volume). Again use magnetic stirrer to mix.<br> 7. Write out label (using label tape) with:<br> a. All students initials<br> b. Period <br> c. Date<br> d. State the Molarity of the solution and the chemical formula of the substance. <br> 9. Place tape on 500mL plastic container. 10. Pour your solution into the 500mL container. (there may be some solution that you can't fit in 500.mL solution, so put in sink.)<br> <br><br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
View other revisions
ChemistryWiki
|
RecentChanges
|
Preferences