Answered

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A 49.2 g sample of barium hydroxide is dissolved in water and the solution is diluted to give a final volume of 629.84 mL. What is the final molarity of the solution?

Sagot :

Answer:

.455 M

Explanation:

Ba (OH)^2   has mole weight of (from periodic table) = 171.341 gm/mole

49.2 gm  / 171.341  gm/mole = .287 mole

.287 M / .62984 L  = .455 M

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