Editing revision 4 of Making A Solution Lab
ChemistryWiki
|
RecentChanges
|
Preferences
Editing old revision 4. Saving this page will replace the latest revision with this text.
<br> <b>Directions</b><br> <br> <u>Part I</u><br> 1. Get an 8oz container (plastic cup) and plastic spoon.<br> <br> 2. Put a small amount of Kool-Aid (flavor of your chose) into a paper muffin tin.<br> <br> 3. Fill plastic cup about 1/2 filled with tap water.<br> <br> 4. Put all material on pan of Cent-o-gram balance and weigh all of it. <b>Put spoon in plastic cup. Be careful not spill Kool-Aid crystals.</b><br> <br> 5. Recored total mass of all material.<br> <br> 6. Then carefully add the Kool-Aid crystal to water and put paper muffin tin back on pan of scale. <br> <br> 7. Using spoon, stir solution until Kool-Aid has dissolved. Do not take cup or spoon off of pan.<br> <br> 8. Reweigh all the material (everything should still be on pan and record total mass..<br> <br> <br> <u>Part II</u><br> <br> 9. Now you are going to get a piece of weighing paper and fold it twice (like you always do to weigh solids)<br> <br> 10. Add some Kool-Aid solid to the weigh paper.<br> <br> 11. Add a small (several crystals) of the Kool-Aid and stir until dissolved ( keep plastic spoon in cup). Reweigh and record new weight.<br> <br> 12. Repeat Step 9-11 two more time or until you can not dissolve all the solid Kool-aid (reweighing each time). Record all masses.<br> <br> 13. When done, one of lab partners <b>MUST</b> drink the solution.<br> <br> <br> <u>Questions</u><br> <br> 1. Did the mass change from before and after you dissolved the Kool-Aid solid the 1st time?<br> <br> <br> 2. What changed from before you added the Kool-Aid solid to the water until after? What observation help in explaining your answer?<br> <br> <br> 3. When you added more Kool-Aid solid, did that solid also do the same as the 1st mass of solid Kool-Aid?<br> <br> <br> 4. Was there or could there be at time where no more solid Kool-Aid could be added to the solution and have the same process happen to it as previous solids?<br> <br> <br> <br> <br> 5. If you tasted the Kool-Aid solution for each time you added the solid Kool-Aid, what observation would hypothesize who happen? Explain why it would happen.<br> <br> <br> <br> <br> <br>
View other revisions
ChemistryWiki
|
RecentChanges
|
Preferences