Question #22246

Asolution in a bottle is 1.2 molar concentrated. What volume of it must be diluted with water to obtain

600cm3

of 0.05 molar solution.

600cm3

of 0.05 molar solution.

Expert's answer

For answering this question you need tocalculate amount of mol in final mixture.

0.05 mol per 1000 cm^3

x mol per 600cm^3

x = 0.03 mol

Now you need to calculate volume of solution in a bottle which

include amount of 0.03 mol

1.2 mol in 1000 cm^3

0.03 mol in V

V=25 cm^3 or 25 ml

0.05 mol per 1000 cm^3

x mol per 600cm^3

x = 0.03 mol

Now you need to calculate volume of solution in a bottle which

include amount of 0.03 mol

1.2 mol in 1000 cm^3

0.03 mol in V

V=25 cm^3 or 25 ml

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