Elements in the same group on the periodic table have the same number of valence electrons. The "groups" are the column (or rows). groups are vertically and periods are horizontally.
Answer: 204.2 g/mol
Explanation:
Elevation in boiling point is given by:

= Elevation in boiling point = 
= boiling point constant = 
m = molality

where,
n = moles of solute = 
= weight of solvent in g = 1g
Molality =
Putting in the values we get,


The molar mass of caryophyllene is 204.2 g/mol.