function setPhaseMoles(self, n, moles)
% SETPHASEMOLES  Set the number of moles of a phase in a mixture.
% setPhaseMoles(self, n, moles)
% :param self:
%     Instance of class :mat:func:`Mixture`
% :param n:
%     Phase number in the input
% :param moles:
%     Number of moles to add. Units: kmol
%

mixturemethods(7, mix_hndl(self), n, moles);