Question

14. Six tubes are placed in a rack. To all six tubes, you add mL of water. Then mL of serum is added to the first tube and mixed well. You then transfer mL of that to the second tube and again mix well. You continue the transfer of mL of mixture from one tube to each subsequent tube, finally discarding mL from the last tube. What is the dilution of serum contained in tube 6? What is the final concentration of your solution when you took mL of a [00 mg/dL solution and added mL of water? You had JQOO mg/dL solution of glucose. You took mL of that and diluted it with mL. Then you took mL of that and added it to 12 mL of water. What is the final concentration of your glucose solution?

          14. Six tubes are placed in a rack. To all six tubes, you add mL of water. Then mL of serum is added to the first tube and mixed well. You then transfer mL of that to the second tube and again mix well. You continue the transfer of mL of mixture from one tube to each subsequent tube, finally discarding mL from the last tube. What is the dilution of serum contained in tube 6?
    What is the final concentration of your solution when you took mL of a [00 mg/dL solution and added mL of water?
    You had JQOO mg/dL solution of glucose. You took mL of that and diluted it with mL. Then you took mL of that and added it to 12 mL of water. What is the final concentration of your glucose solution?

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Added by Jessica D.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

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Solved by Expert Adi S

06/11/2023

Step 1

First, we need to find the dilution factor for each step. Since we are transferring mL of the mixture from one tube to another and discarding mL from the last tube, the dilution factor for each step is $\frac{mL}{mL + mL}$. Show more…

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14. Six tubes are placed in a rack. To all six tubes, you add mL of water. Then mL of serum is added to the first tube and mixed well. You then transfer mL of that to the second tube and again mix well. You continue the transfer of mL of mixture from one tube to each subsequent tube, finally discarding mL from the last tube. What is the dilution of serum contained in tube 6? What is the final concentration of your solution when you took mL of a [00 mg/dL solution and added mL of water? You had JQOO mg/dL solution of glucose. You took mL of that and diluted it with mL. Then you took mL of that and added it to 12 mL of water. What is the final concentration of your glucose solution?

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00:01 In this question, we have our key concept.

00:03 Key concept.

00:04 And the key concept of this question would be serial dilution.

00:10 Serial dilution.

00:11 So, serial dilution, it is a process in which the same solution, it is diluted.

00:20 Same solution, it is diluted or mixed repeatedly, repeatedly in order to vary its concentration.

00:30 In order to vary its concentration.

00:32 So, the serial dilutions, they are created by, how are they created? they are created by repeating, repeating the same dilution procedure.

00:48 Repeating the same dilution procedure.

00:55 The same dilution procedure and using the and using the beginning, beginning concentration from the previous dilution, from the previous dilution for the subsequent solution in each step.

01:21 So, now serial dilution, as i have already mentioned that the same solution, it has been repeatedly diluted to vary its concentration.

01:29 This is the main point for the serial dilution.

01:32 So, now when the solution, it is too much concentrated.

01:36 So, to be used in experiment, so we perform serial dilution.

01:43 It is done so that we can get the required concentration of the sample.

01:49 And the concentration of solution, concentration of solution, it is determined by using a serially diluted solution...

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