Chemistry, 11.03.2020 02:06 alexusdyer94

For each of the dyes you will carry out the following dilution scheme: Dilution #1 = 2.50 mL of stock + 22.50 mL water Dilution #2 = 15.00 mL of #1 + 10.00 mL water Dilution #3 = 17.50 mL of #2 + 7.50 mL water Dilution #4 = 15.00 mL of #3 + 10.00 mL water Determine the concentrations of the stock solutions and the four dilutions and enter them into the tables below. Pay attention to the number of significant figures for each calculation and be sure to enter your answer to the correct number of significant figures. Not all answers will have the same number of significant figures.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 15:00

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

Answers: 3

Answer

Chemistry, 21.06.2019 21:00

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Answers: 1

Answer

Chemistry, 22.06.2019 10:10

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Answers: 2

Answer

Chemistry, 22.06.2019 15:30

All motion is caused by force? true or false

Answers: 1

Answer

You know the right answer?

For each of the dyes you will carry out the following dilution scheme: Dilution #1 = 2.50 mL of stoc...