In order to prepare `100cm^(3)` of `0.250M` barium chloride solution, the amount of `BaCI_(2).2H_(2)O` required will be
In order to prepare `100cm^(3)` of `0.250M` barium chloride solution, the amount of `BaCI_(2).2H_(2)O` required will be
A. 0.250 moles
B. .0025 moles
C. 2.5 moles
D. `6.1g` of `BaCI_(2).2H_(2)O`
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Correct Answer - D
Amount of `BaCI_(2).2H_(2)O` required
`= (1"mole")/(1000) xx 100 xx 0.2` moles
`= 0.025 xx 224 = 6.1g`
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