How many grams of NaCl are in 500 mL of 0.9% (m/v) physiological saline?
Question 1
Q1. How many grams of NaCl are in 500 mL of 0.9% (m/v) physiological saline?
Answer: 4.5 g
Explanation: 0.9% of 500 mL = 4.5 g. Option C divides by 2.