Sir, in the last question solved, I mean the 2014/15 questions, I thought the correct option would be option B by approximating the 0.615 to 1.00g...? Please i was confused at that
Iam little bit confused when u still use include 1000 in d solubility formula that was asked to find solubility in mol per dm3. In 1994>19.because u said when solubility is given in mol per dm3 u don't include 1000 in d formula, except in cm3
Sir I just love your humor while teaching 😂😂
Yes the last question is Pb(NO3)2
When you solved it did you get any answer in the option?
Thank you so much for, your 03school It has really helped me to improve
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Amen Sir
Amen
For the last question, lead(II)trioxoitrate(v) is Pb(NO3)2 instead of PbNO3 that you used. The right answer should be 0.50mol/dm3. Option C
you are right, even the second to the last question's answer was wrong
The option c was 0.5g which is still wrong. The correct option is still D. Although the compound formula was incorrect
Sir in 2014/ 15 question the mistake Pb ( NO3)2 is from the molar mass caculation 331g not 269.
Thank you for the teaching it helps alot
Thanks guys
Please use the correct mass and formula
Clear and obvious mistake
Soft and easy to adhere a bih accolades to you sir 🎉😄😄🎉😄😄
Thank you sir
Thank you so much
I enjoy this teaching 😊😊
You to good
It's really a good app
Can't lie man be better than my school teacher, if you know what I mean
Love this❤
Sir lead(ii) trioxonitrate(v)is pb(No3)2 so the molar mass is 331g/mol
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Amen oo🎉
Amen oo🙏
Amen 🙏 Thank you sir❤
Amen oooo
sir pls do jamb give the molar mass of an element in other years
Yes we need the solubility under graphing
Good job sir! For the last question , Lead II trioxonitrate V is Pb(NO3)2.
Thanks
We already spotted that
Check through the comments
Amen 😅
This is indeed an interesting class.
Amen sir
Thank you so much
I understand it now
I'm greatfull 🙏🏾
Ameen
Thank you so much sir ❤
Thank you sir ❤❤
Amen❤❤❤
The answer of the last question is 0.5
The symbol for the compound is Pb(NO3)2
Thanks
Read through the comments
We already spotted that
Amen🎉
Sir there is answer in that last question.The answer is 0.50g
The Pb(NO3)2 was the catch there and they caught a whole master T. Chai ☕️
Thanks for providing the answer dear soldier
You are welcome
amen
How do you get such compound formula?? Like the KNO3
1994 question 19 , the one of kno3 , the volume was in gdm3 why did you still add 100 to the formula
Sir please u didn't touch solubility graph and it comes out a lot 😢😢😢
Sir why did u not approximate for the last one from 0.65 to 1??
The distance is too far
Sir solubility graphs please
Why we can't convert the last question when is 0.615 why it can't be 1.00
Sir, in the last question solved, I mean the 2014/15 questions, I thought the correct option would be option B by approximating the 0.615 to 1.00g...?
Please i was confused at that
The distance is too far . And they didn’t ask you to approximate in the question
Ok
Sir I thought that lead ii trioxonitrate v is represented with pb2NO3?
No
Sir please is it the same as wassce
Amen oooooooo 🙏🏾🙏🏾
Iam little bit confused when u still use include 1000 in d solubility formula that was asked to find solubility in mol per dm3. In 1994>19.because u said when solubility is given in mol per dm3 u don't include 1000 in d formula, except in cm3
No sir
We said when Volume is given in dm3 , you don’t include the 1000 in the formula but when volume is given in cm3 you can
😮amen
Amen o
Last question is not none of the above .
Pb(NO3)2
That’s the chemical formula for
Lead ii trioxonitrate( v )
Sir, u made mistake in the molecular formula of the compound, it should be Pb(NO3)2
The answer should be C
Yes Thanks we already spotted that
Look through the comments
Sir please you made a mistake, previously you said solubility in cm3. Is mX1000 all over w X v ,then you change it to 1000m all over w X v
Amen ❤😂
amenooo
Amen sir 😊
Amenoo
Sir the answer to the last question is wrong, it's supposed to be answer C.You got the formula wrong that's why the answer is not there.
Pb(NO3)2
Amennnn😂🎉
𝙰𝚖𝚎𝚗 🙏🙏
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Amen 🙏