You literally explain it so well, I love that you go through each step/detail even if you don't need to in case students are lacking in certain areas. Gen Chem 3 Online at U of O has been so stressful, but with your videos, I feel so much more confident. Thank you so much for what you do, you are an incredible lifesaver.
Excellent question! For titrations, yes, you always change it to moles. This is because the volume changes during a titration, which means that molarity is not constant. Other types of ICE tables are typically done in molarity because they are constant-volume problems.
Sure! I've got 2 videos on pH / pOH. They're mostly about pH, so you can probably skip through a lot of it and just focus on the pOH parts. General info on pH and pOH here: ruclips.net/video/6rJbbWSPIAk/видео.htmlsi=5mA7-l7xexnV_qH8 Example calculations here: ruclips.net/video/ABT2-K9SrJY/видео.htmlsi=T5Aj-uSxw1X51T5U Let me know if you have questions!
Great question! During a titration, both of the variables of molarity (mol and L) are changing. It is easiest to handle those two changes separately - (1) convert out of molarity into moles and then use an ICE table to calculate the changes to the moles, and then (2) calculate the new volume based on the information provided in the problem.
You literally explain it so well, I love that you go through each step/detail even if you don't need to in case students are lacking in certain areas. Gen Chem 3 Online at U of O has been so stressful, but with your videos, I feel so much more confident. Thank you so much for what you do, you are an incredible lifesaver.
You're very welcome! I can't believe you're taking this class online - dang! That sounds brutal!
Ur the 🐐
Sweet Roxanne turning us into megaminds😂
Do you always have to change to mols first ?? Sometimes I noticed problems where the molarity is kept ?? How do you know when to change it?
Excellent question! For titrations, yes, you always change it to moles. This is because the volume changes during a titration, which means that molarity is not constant. Other types of ICE tables are typically done in molarity because they are constant-volume problems.
I'm a little confused with calculating POH? Could you explain this further?
Sure! I've got 2 videos on pH / pOH. They're mostly about pH, so you can probably skip through a lot of it and just focus on the pOH parts.
General info on pH and pOH here: ruclips.net/video/6rJbbWSPIAk/видео.htmlsi=5mA7-l7xexnV_qH8
Example calculations here: ruclips.net/video/ABT2-K9SrJY/видео.htmlsi=T5Aj-uSxw1X51T5U
Let me know if you have questions!
@@RoxiHulet thank you!!!! You’re the best!
Why is the ice table filled with only units of mol instead of molarity?
Great question! During a titration, both of the variables of molarity (mol and L) are changing. It is easiest to handle those two changes separately - (1) convert out of molarity into moles and then use an ICE table to calculate the changes to the moles, and then (2) calculate the new volume based on the information provided in the problem.
can you explain step 2 and 3 if i get a number for OH in the middle
nvm for step 2 its just -log of the middle number divided by the total volume and then 14 - that number u got , thx roxi
You got it! Great job!!!!