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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Annlore1345 Annlore1345
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4 years ago
A 650 mL sodium bromine solution has a bromide ion concentration of 0.245 M. What is the mass (g) of sodium bromide in solution?
A) 103.
B)0.00155.
C)16400.
D) 16.4.
E) 0.159​
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bio_manbio_man
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#1
Educator
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Rep: 3442 15
4 years ago
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Annlore1345 Author
wrote...
#2
4 years ago
Thank you so much, but from where do u have found the number 102.89 g?
wrote...
#3
Educator
4 years ago
That's the molar mass of NaBr

Na = 22.98
Br = 79.90 +
------------
102.89 g/mol
Annlore1345 Author
wrote...
#4
4 years ago
Oh ok, thanks for everything.
Annlore1345 Author
wrote...
#5
4 years ago
Thank you, I have posted another one.
wrote...
#6
Educator
4 years ago
I hope it's not due soon, I'll be away from my computer for a couple of hours. Will check it out this afternoon!
Annlore1345 Author
wrote...
#7
4 years ago
That's ok, thanks by the way.
wrote...
#8
4 years ago
thank you
wrote...
#9
4 years ago
Thank You
wrote...
#10
3 years ago
Thank you
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