CKXTY CKXTY CKXTY CKXTY CKXTY CKXTY CKXTY ********************************************** ************************** ****** SUBROUTINE CKXTY (X, ICKWRK, RCKWRK, Y) Returns the mass fractions given mole fractions. INPUT X(*) - Real array, mole fractions of the mixture; dimension at least KK, the total species count. ICKWRK(*) - Integer workspace array; dimension at least LENICK. RCKWRK(*) - Real workspace array; dimension at least LENRCK. OUTPUT Y(*) - Real array, mass fractions of the mixture; dimension at least KK, the total species count.