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State whether each of the following solutions is isotonic, hypertonic, or hypotonic to a solution of 200 mmol/l NaCl. (Assume NaCl will completely dissociate in solution. )

100 mmol/l glucose	Isotonic Hypertonic Hypotonic
200 mmol/l glucose	Isotonic Hypertonic Hypotonic
100 mmol/L CaCl2	Isotonic Hypertonic Hypotonic
150 mmol/l KCl	Isotonic Hypertonic Hypotonic
400 mmol/l urea	Isotonic Hypertonic Hypotonic