MHT CET 2022 Chemistry question

Calculate the cryocopic constant when 0.8 gram non volatile solute with molar mass 64 g mol dissolved in 43 gram solvent lowers the freezing point by 0.34 K

• (A)2.5 K kg mol
• (B)2.0 K kg mol
• (C)0.58 K kg mol
• (D)1.17 K kg molCorrect