Pure methyl acetate $(C_3{H}_6{O}_2)$ has a normal boiling point of $56\mathrm{.}90C.$ A solution of $12\mathrm{.}0g$ of sulfanilamide $(C_6{H}_8{N}_2{O}_2(S))$ in $149g$ of methyl acetate has a boiling point of $57\mathrm{.}98C.$ Calculate $K_{bp}$ for methyl acetate based on this experiment.

$K_{bp}=,C{m}^{-1}$

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