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7) If a solution is prepared by mixing 15.7 mL of CH3CH2OH (d = 0.792 g/mL)...

7) If a solution is prepared by mixing 15.7 mL of CH3CH2OH (d = 0.792 g/mL) and 457 mL of CH3CH2CH2OH (d = 0.911 g/mL) what is the concentration in molality m? Show work

A) 0.648 m

B) 0.812 m

C) 1.57 m

D) 2.01 m

E) 4.98 m

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