State whether the following is iso-osmotic, hyper-osmotic, or hypo-osmotic relative to a solution of 200 mM NaCl. (Assume for any salt, e.g., NaCl, that there is complete dissociation.)

100 mmol/L glucose
200 mmol/L urea
100 mmol/L CaCl₂
150 mmol/L KCl
400 mmol/L sucrose