Rayanecrazt25571 Rayanecrazt25571 29-02-2024 Physics contestada What is the mole fraction of urea, CH₄N₂O (molar mass 60 g/mol), in an aqueous solution that is 55% urea by mass? Report answer with 3 decimals. a) 0.682 b) 0.550 c) 0.734 d) 0.616