Aparticular 3.0 l solution contains 2.5 mmol (millimoles) of a substance. what is the concentration of this solution in number of molecules per cubic meter? g

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive