WHat is the molar mass of c6h12o6?

Environmentalchemistry.com carries a molar mass calculator which will enable you to find the mass yourself.

You should be able to do it yourself as in exams, you don't have the facility of going on the net.

The question is simple. You'll see. It's just maths.

How many C atoms? 6. Therefore 6x(mass of C, which is 12)
How many H atoms? 12. Therefore 12x(mass of H, which is 1)
How many O atoms? 6. Therefore 6x(mass of O, which is 16)

Add those to have the relative molecular mass. Easy Peasy