Answer to Question #184647 in General Chemistry for Michael Elisha Dela Cruz

Question #184647

What mass of BaCl2 is needed to dissolve in 1.2kg water to prepare 0.500m of BaCl2 solution?


1
Expert's answer
2021-04-25T07:38:27-0400




1 m Solution contains = 1 Mole of the solute in 1000 g of the solvent.


(Molecular Mass of BaCl2= 208.23 g


Therefore weight BaCl2 (anhydrous) to be added to 1.2 Kg of water to prepare 1m


"Solution = 1.2 \u00d7 208.23 =249.876 g"


So to prepare 0.500m BaCl2 the weight of BaCl2 to be added to 1.2 Kg of water "=\\frac{249.876}{2}= 124.938 g"




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