Serial dilution calculations | How to calculate dilution factor - Dr K

In this video, we are going to look at What is serial dilution? How to calculate dilution factor? and perform serial dilution calculations. We are going to use a serial dilution simple explanation that involves 3 rounds of 5-fold serial dilution that gives a total of 125-fold total dilution. At the end of the video, we will also discuss why we perform serial dilution.
🕑 Here's when you'll find:
0:00 What is serial dilution
0:34 Serial dilution method
1:15 How to calculate dilution factor
1:55 Serial dilution calculations
2:05 Key in serial dilution
3:00 125-fold dilution
3:10 5-fold serial dilution
3:32 Why perform serial dilution
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* Closed captioning is available in English *
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[@ayleenc.205]

I was struggling and this made it much clearer. Thank you! ❤️

[@ChemSimplified]

You're so welcome! I'm glad the video helped. Thanks for taking the time to let me know. I appreciate that.

[@karinaaguilar4941]

Thank you, you explained it so well and easily! 🥰

[@ChemSimplified]

You're most welcome. I'm glad the video is helpful. Thanks for taking the time to let me know. 😊

[@kennixcheung2270]

Love your video and very to follow. Thank you so much!!!

[@ChemSimplified]

That's so great to know! I appreciate your feedback and thanks for watching them. 😊

[@thepolonyguy]

This was so helpful! Thanks

[@ChemSimplified]

You're most welcome. So glad to know it helps!

[@sung-wookher4381]

Thank you very much!

[@ChemSimplified]

My pleasure! Thanks for watching the video. 😊

[@sanjurohilla113]

Thanku mam ❤️

[@ChemSimplified]

It's my pleasure 😊

[@samadams7616]

Thank you

[@ChemSimplified]

My pleasure

[@eloodafe4632]

Thanks

[@ChemSimplified]

You're most welcome!

[@mohfa1806]

Hello and thank you for your great videos , i have a question please : when diluting a weak acid i noticed in the book that they use the dilution formula :C1V1=C2V2 based on the fact that the number of moles will stay constant , however for weak acid we know that upon adding water the dissociation of the weak acid increases to maintain balance and hence the number of moles of the weak acid decreases , so based on that how the dilution formula still applied?...thank you in advance.

[@ChemSimplified]

Hi Mohamad, thanks for your comments. Regarding your question, the moles of weak acid remains the same before and after dilution, therefore the C1V1 = C2V2 formula still applies. What changes after the dilution is the concentration of hydrogen ion due to the dissociation. Hope this helps.

[@victoriadeery2081]

so is the final molarity 0.08M?

[@favourobasi5012]

🙏💗

[@ChemSimplified]

🙌🏼😊

[@khoale8835]

I am khoa

[@ChemSimplified]

Hi Khoa

[@mil26]

Hi! i just want to clarify regarding the formula of dilution factor. Is it final volume/initial volume or initial volume/final volume? As you put 2:10 which means initial/final, while i looked up online and it said dilution factor formula is final/initial volume. Thank you in advance!

[@ChemSimplified]

Hi mil, the dilution factor is written as initial/final. Hope this helps.

[@ugwuanyilouisa9878]

Pls wen u take 2ml does it not reduce to 8ml

[@ChemSimplified]

Yes, it does.

[@jamesthomas6984]

This is just gear ratios