Вычислить массу м серной кислоты получившуюся при взаимодействии 115 г оксида железа III с массовой долей 15%

А)  emily now was is her trip? а)  evily where did your trip? а)  emily did you like the trip? b) angela what was the name of the film? b) angela you were watching a  film at home or in the cinema? b)angela did you like the film? c) angus whom you work? c) angus were do you wоrk? c) angus did you like worked? d) mary what is a pаrty? d) mary do you like a party? d) маrу where is a party? e)james you arework a policemаn? e)james do you like work a poliseman? e)james do you have the police uniform: ?

Г.)ТАНТАЛ. Танталович танталович

Формулы или что? Не врубаюсь

M(NaClO) = 23 + 35.5 + 16 = 74,5 (г/моль)
Ответ: Е) 74,5 г/моль.