When one mole of LiBr is dissolved in 1 kg of H2O, the concentration of the Br- is

1. 0.5 molal
2. 0.5 molar
3. 1.0 molal
4. 1.0 molar

3 answers

You will have one mole of the bromide ion in one mole of solution, right?
umm... i'm not sure. are you telling me that i will?
Bob Pursley is telling you that you will.
Look up the definitions of molar and molal solutions.