3. If a solution of 5 g ethyl benzoate in 50 ml water at 20C is extracted with 100 ml of chloroform and the distribution coefficient of ethyl benzoate compared to water is 2; a) What is the amount of substance that passes into chloroform as a result of one-time extraction? b) What is the amount of substance that passes into chloroform as a result of 4 times extraction? c) If 3 extractions are made using 100 ml of chloroform each time, what will be the amount of substance that passes into chloroform