Mass for Joseph F. Sokal, an attorney for 50 years, will be said at 10 a.m. Tuesday in the chapel at 400 S. Elmhurst Ave., Mt. Prospect. Mr. Sokal was a partner of Ferstel, Sokal and Ferstel, a Chicago law firm. A resident of Mt. Prospect, Mr. Sokal died Saturday in Holy Family Hospital, Des Plaines. He was a member of the Chicago and American Bar Associations and a founder of the Mt. Prospect Federal Savings and Loan Bank. He is survived by his wife, Marie; and two sisters.