Physiological saline (i.e. NaCl of similar osmotic strength to blood) is 0.9% (w/v) NaCl. What is the molarity?

Physiological saline (i.e. NaCl of similar osmotic strength to blood) is 0.9% (w/v) NaCl. What is the molarity of this solution? Express your answer as M and mM (MW NaCl = 58.5).