Predicting Precipitation With Ksp Values

Now that we know about the solubility product, it's time to learn about some applications for this concept. First, we can use this to predict whether precipitation will occur in a particular solution, and take measures to cause or prevent precipitation, depending on the kind of chemistry we are interested in doing. Let's learn how to do this now!

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[areejhamad]

The best professor I’ve ever seen.. keep it up

[Vunami]

Haircut turned professor dave to daddy dave

[jessicalv]

Oh my god, thank you so much! Your lecture is very clear and fantastic. Without you, I might be panic for the whole day😭

[marianohuelva]

precipitation occurs when Q=Ksp or when Q>Ksp cause Q=Ksp refers to a saturated sol'n

[michellewhite]

Man the hair, miss the length very 90s... thanks for the very helpful videos

[hendahmed]

you are the best professor and your videos are the best

[bsreysfe]

professor i really thank you very much you are legend for me always you simple any thing in just 5 minute i am from ethiopia

[II-thbn]

Please use dark background to reduce eye strain..❤️ from India

[lelouchvibritannia]

This is great content. Thx for uploading

[vishaldasari]

Wow got to know some new things in science
#thanx

[MrRandel]

So, the precipitation will take place when Q is equal to K, or when Q is greater than K?

[YongeDundasSquared]

i think you used the wrong numbers in the calculations
2.0*10^-4 and you wrote 1.0*10^-4...

[juliaj]

But no one wants to show what happens when it's not a 1:1 ratio....when PbNO32 mix with NaBr. Do you double the Br?

[halsey.]

here's a trick to remember if precipitation occurs when Q is bigger or smaller
put Ksp on the left side put a circle then put Q next to it
if Q is bigger put < and then draw a line so < and the line represent an arrow
now if it points towards reactents it will precipitate like this

Ksp <--- Qsp

and to remember which goes on the left
simply start with the same order as alphabet
K comes before Q

[itaycohen]

hi dave, is that playlist complete or are you still adding videos to it ?

[محبيالياسشاكربيلي]

I want an answer to this question👇
The value of Ksp of precipitate in gravimetric analysis should be?
a. Very large
b. more than one
c. non of these
d. Very small

[lenahalberstadt]

In Mn(OH)2 example with minimum pH, how did you get 1.6 x 10^-4M of [OH-]? Aren’t we supposed to divide Ksp (4.5 x 10^-14) by concentration of [Mn2+] (1.8 x 10^-6)?
If so, shouldn’t it be 2.5 x 10^-8 and resulting pH 6.4? I can’t figure out where my math is wrong… :(

[dhanadhikari]

Hi professor Dave, you are really amazing professor.I learned lot by watching your Vedio, and I want a go for nursing school for RN in pittsburgh community college, can you please help me for placement test sample questions answer for all subjects I need to get in nursing program.

[Damaged]

Oh come on Prof Dave, who has aqueous solutions of calcium nitrate and sodium carbonate just laying around. Cut the shit.