Solutions 4 you
[DOC File]Solution Conductivity - Purdue Chemistry
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When you are within 1.0 mL from the second endpoint, begin to add the base in one drop increments again until 1.0 mL after the second endpoint. After this point, you may add the base in 1.00 increments until 25.00 mL base has been added. Print the titration curve and save your data to your disk as before. Rinse all solutions down the drain.
[DOC File]Preparing and Diluting Solutions
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Calculate the concentrations of the diluted solutions in test tubes #2 and 3 using Equation 2 from the Background section. Complete the data table for test tubes #1, 4, and 5. Note: See the Pre-Lab Questions for the calculated values for solutions #4 and 5. Compare the concentration of …
[DOC File]Dilution of Solutions
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Chemistry: Dilution of Solutions 4. You mix 128 mL of an unknown, concentrated acid with water and get 1.54 L of a 1.5 M acid solution. What type of acid is it? 5. You need to make 300 L of 2.25 M perchloric acid. It costs $25.95 for a 4.00 liter bottle of 60% HClO4, and $34.95 for a 4.00 liter bottle of 70% HClO4.
[DOC File]Solutions Worksheet - Science Classroom Teacher Resources
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Solutions Worksheet. 1) Why does water have such a low vapor pressure? Explain. The hydrogen bonds in water are strong enough that they keep molecules from leaving the surface of the liquid and entering the vapor phase. 2) Give one example of surface tension you’re familiar with, and one example of a surfactant around your house.
[DOC File]Molarity and Dilution Lab
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Explain the pattern you saw in all of the stock solutions arranged on the demonstration table. Calculate the number of moles required to make 100 mL of a 3.0 M solution of CuSO4·5 H2O. Calculate the number of grams required to make 100 mL of a 4.5 M solution of CuSO4·5 H2O.
[DOC File]Solutions and Dilutions
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Hint: you have to make a secondary stock solution to solve this problem/ 45. How would you make 200.0 mL of a working solution of ethanol at 60.0 % from a stock solution of 80.0 % ethanol? 46. Describe how you would prepared a 500.0 mL of 10.00X stock solution in which the working solution is 1.00 X and is 1.50% NaCL. 47.
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