If you know the equation, this becomes a general chemistry stoichiometry problem.
1. Write the equation. You need only mols of ketone to mols borohydride.
2. Convert 153 mg of the ketone to mols. mols = grams/molar mass
3. Convert mols ketone to mols of the borohydride using the equation coeficients.
4. Convert mols borohydride to grams. g = mols x molar mass.
Consider the reduction of 4-t-butylcyclohexanone.
If the procedure calls for 153 mg of 4-t-butylcyclohexanone, what mass of sodium borohydride should be added?
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