Question

An insecticide contains 47.5% carbon,2.54% hydrogen and 50 % chlorine by mass . Its empirical formula is?

Answer 1

Answer:

47.5/12 :2.54/1 : 50/35.5 3.95 : 2.54 : 1.40 13:8:5 c13h8cl5

Answer 2

Answer:c14h9cl5

Explanation:step 1.....47.5/12=3.95, 2.54/1=2.54, 50/35.5=1.40 step2.....3.95/1.40=2.82, 2.54/1.40=1.81, 1.40/1 40=1 step 3....2.82×5=14.1, 1.81×5=9.05, 1×5=5that means 14:9:5.....C14H9Cl5