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simi
Questions and answers by visitors named
simi
Questions (8)
what is the sulotion on the story the mixed up files of mrs brasil e. frankweiler?
4 answers
640 views
can anyone help me with this problem?
a sample of n=9 indivividuals was selected from a normally distributed pop. with a mean of
1 answer
448 views
Calculate the pH of the following salt solutions?
0.1 M HBr 0.1 M CaI2 0.1 BaF2 Kb (F-)=1.4x10^-11
5 answers
587 views
a buffer is made by adding 150 ml of .595M BaF2 and 0f .500M of HF solution.
calculate the pH of this buffer system calculate the
7 answers
788 views
Consider the titration of 20 mL of .105M Butric Acid HBut, with .125M sodium Hydroxide?
calculate the pH before titration
7 answers
832 views
make sentences with words starting with alphabet a-z
1 answer
381 views
A thief is trying to escape from a parking garage after completing a robbery, and the thief's car is speeding (v = 14 m/s)
1 answer
617 views
A boat moves from a point A on the bearing 150¡ã to another point B 10km away.it then changes direction on being south 45¡ã
2 answers
596 views
Answers (11)
it aint so hard. its actually like studing the environment you leave in. best wishes
read your books for the answer
can anyone plz tell me ans 9..i am stuck with it..and my ans is coming wrong continously
always be united
what about the pH at equivalence point?
okay thank you so much this helped alot
i got ph= 3.24+log -7 b/c i did ph=3.24 = log .175/-.025
oh yes i forgot to do the square root i get 2.9. so for the second one it would be 4.8 and the third one it would be 10.8 thank you so much for explaining it step by step i appreciate the help
im confused on how to calculate the pH of this buffer after adding .100 mol Hcl ... i get negative numbers
i don't understand how to get CaI2
I understand how to get the pH before titration and how to get the volume. From my understanding to get the pH before titration i just multiply the ka and the weak acid concentration then i get the square root. I then get the negative log of the square
