A 0.753 m solution of the solute CH3CN dissolved in the solvent C6H6 is available. Calculate the mass ( g ) of the solution that must be taken to obtain 3.274 mol of CH3CN.

Additional info:
Molar Mass (g/mol)
CH3CN 41.05
C6H6 78.11
Density ( kg/L )
CH3CN 0.7857
C6H6 0.8786

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  1. There's the quick way and the long way.
    Quick way:
    m = moles/kg solvent
    0.753 = 3.274/kg solvent.
    Solve for kg solvent, then add mass of 3.274 moles CH3CN to find the total mass of the solution needed.

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