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Butylated hydroxytoluence (BHT) is used ...

Butylated hydroxytoluence `(BHT)` is used as an antioxidant in processed foods ( it prevent fats and oils from becoming rancid). A solution of `2.5 g` of `BHT` in `100 g` of benzene has a freezing point of `4.88 K`. What is the molecular weight of `BHT`?
`(k_(f)("benzene")=5.12 K mol^(-1)kg`, freezing point of benzene `= 5.45 K`)

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