Calculate the amount of sodium chloride needed to prepare 2.5 L of 0.225% sodium chloride solution, using sodium chloride powder and water: ________.
Fill in the blank(s) with the appropriate word(s).
5.625 g
2.5 L × 1,000 mL/1 L = 2,500 mL
x = 2,500 mL × 0.225 g sodium chloride powder/100 mL
x = 5.625 g
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