Please answer this question 18. On adding 1 g arsenic to 80 g benzene, the freezing point of benzene is lowered by 0.19°C. The formula of arsenic is (K f = 5.08K kg mol–1). (A) As (B) As2 (C) As3 (D) As4 Share with your friends Share 0 Manoj Kumar answered this 1 View Full Answer