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What is the molarity of the solution?
- az_lenderLv 71 month ago
atomic weight of lithium is 6.94 g/mol.
atomic weight of bromine is 79.90 g/mol.
molar mass of LiBr is therefore 86.8 g/mol.
The 97.7 grams are 1.126 moles of LiBr.
In 750 ml the molarity is
(1.126 moles)/(0.750 L) = 1.50 mol/L.
And that's the molarity (1.50 M)