[Histonet] Can't get the calculation right today

[Eva Permaul]

Please, please and please help me. I am fighting a sinus infection and I
can not think to save my life.
I have to make a buffer solution:

10mM Tris-HCL, 5mM CaCl2, 50% glycerol (v/v), pH7

I have tris base and calcium chloride powder.

Can someone please help me by writing it out for me?
I am so stuck.

Thank you,
Eva
(the one whose head is about to explode)