[Review Topics] (References Use the References to access important values If needed for this question. Under certain conditions, the substances diphosphorus pentoxide and water combine to form phosphoric acid. If 27.7 grams of diphosphorus pentoxide and 10.6 grams of water combine to form phosphoric acid, how many grams of phosphoric acid must form? grams phosphoric acid Submit Answer Retry Entire Group No more group attempts remain