Biology Forums - Study Force

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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Thank you so much, but from where do u have found the number 102.89 g?

That's the molar mass of NaBr

Na = 22.98
Br = 79.90 +
------------
102.89 g/mol

Oh ok, thanks for everything.

Thank you, I have posted another one.

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!

That's ok, thanks by the way.

thank you

Thank You

Thank you