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Which statement best describes the process of making a solution by diluting a stock solution?
You can dilute by adding distilled water. When diluting, be sure to add the solution to water several times instead of adding water to the solution (especially if it is highly concentrated).
What is the best describes A mixture that has a lot of substance dissolved in it?
A concentrated solution.
Which term best describes candy syrup?
supersaturated solution
Why is it important not to pipette a reagent solution directly from bottle of a reagent stock solution?
Pipetting directly from a reagent stock solution can lead to contamination of the stock solution. By introducing potential contaminants back into the stock solution, it can lead to inaccurate results in future experiments and compromise the integrity of the stock solution for other experiments. It's best practice to use a separate vessel to aliquot the required amount of reagent before transferring to the experiment.
What best describes a mixture in which ionic compounds are dissociated in solution?
A solution in which ionic compounds are dissociated into their constituent ions is called an electrolyte solution. This means that the ions are free to move and carry electric charge, allowing the solution to conduct electricity.
Which statement best describes the process of making a solution by diluting a stock solution?
You can dilute by adding distilled water. When diluting, be sure to add the solution to water several times instead of adding water to the solution (especially if it is highly concentrated).
How would you make a 1 in 4 dilution of a stock solution?
See the two Related Questions to the left for complete instructions on how to make any solution of any concentrations.To make a 1 in 4 dilution, it is best is to use a graduated cylinder. Measure out 3 parts water and add to that 1 part stock solution, which gives a total of 4 parts. For instance, if you measure out 30 mL of water, and then add 10 mL of stock solution to that, you will have a total of 40 mL solution, 1/4 the concentration of the original stock solution. (Or, equivalently if you need more than this, measure out 150 mL of water and add 50 mL of stock solution to give a total of 200 mL of the diluted solution). If you don't have a graduated cylinder, you'll need two containers: one small and one much larger. Fill the small one completely with water, and then pour that into a new (larger) container. Do that two more times (for a total of 3). Then fill the smaller container with stock solution, and add the water. When diluting acids and bases, it is extremely important to add the acid/base to water, and not the other way around! If you want to do a dilution with different numbers, just change the numbers accordingly. For example, if you want a 2 in 5 dilution, add 3 parts water to 2 parts stock solution. When it says "2 in 5" that means two parts stock solution to 5 total parts, so that leaves 3 parts water!
What best describes the solution to the system of equations below?
Which of the following best describes the solution to the system of equations below?3x + 6y = 10 9x + 18y = 30
What term best describes sea water compound solution element or crude?
solution
Which term best describes Lucy's tea?
unsaturated solution
What is the best describes A mixture that has a lot of substance dissolved in it?
A concentrated solution.
Which term best describes candy syrup?
supersaturated solution
Which best describes a joint-stock company?
a company owned by investors who share the profits
Why of the following best describes the 1929 event known as Black Tuesday?
The stock market crashed.
What best describes a system of equations that has no solution?
a vetical line has an undifined rate of change
Why is it important not to pipette a reagent solution directly from bottle of a reagent stock solution?
Pipetting directly from a reagent stock solution can lead to contamination of the stock solution. By introducing potential contaminants back into the stock solution, it can lead to inaccurate results in future experiments and compromise the integrity of the stock solution for other experiments. It's best practice to use a separate vessel to aliquot the required amount of reagent before transferring to the experiment.
Which term best describes buying on margin during the 1920s?
Paying ten cents on the dollar for stock
