letstree.blogg.se - Serial dilution lab conclusion

Dilute the solution from cup #2 in cup #3.

In your group, determine a way to express how much solute is in the total solution and record your answer in Table 2.4.

You have now added 10 mL of solution from cup #1 and water to cup #2 to make a total of 100 mL of solution.

Add water to the line of cup #2 and stir.

Using the measuring spoon, measure 10 mL of the solution from cup #1 and pour into cup #2.

Dilute the solution from cup #1 in cup #2.

The solute and solvent created a solution-a mixture where things are dissolved.

The water is the solvent it did the dissolving.

The dry drink mix is the solute it was dissolved.

The powdered drink mix and water make a total of 100 mL.

In your group, determine a way to express how much solute (powered drink mix) is in the total solution.Pour the powered drink mix into cup #1.(Do not do this step if you are using premeasured packets of drink mix.) If you are measuring the powdered drink mix, use a balance and a dry spoon to measure 3.5 g of mix into the small paper cup.

Label the remaining cups #1 through #5.Make a line at the same level on each of the remaining drinking cups.Use the permanent marker or wax pencil to mark a line on cup #6 at the water level.Use the measuring cup to measure and pour 100 mL of water into cup #6.Safety Note: Use food-safe cups and spoons that have not been used with laboratory chemicals or biological substances. Six identical cups, transparent or semi-opaque.