If a solution contains 5% sodium chloride, how many grams of sodium chloride are in 200 mL?

If a solution contains 5% sodium chloride, how many grams of sodium chloride are in 200 mL?

• A. 10 g
• B. 5 g
• C. 15 g
• D. 8 g

Answer: (A)

To determine how many grams of sodium chloride are present in a 200 mL solution with a concentration of 5%, it is important to understand what a 5% solution means. A 5% solution indicates that there are 5 grams of sodium chloride in every 100 mL of solution. To find out how many grams of sodium chloride are in 200 mL, we can set up a proportion. Since 200 mL is double the volume of 100 mL, we can simply double the amount of sodium chloride contained in 100 mL. Therefore, in 200 mL, there are: 5 grams per 100 mL × 2 = 10 grams. This logical calculation confirms that the correct answer, indicating the presence of 10 grams of sodium chloride in 200 mL of a 5% solution, is accurate. Understanding this concentration and its relationship with volume is crucial in medical math, as it frequently applies to dosage and preparation of solutions in healthcare settings.

To determine how many grams of sodium chloride are present in a 200 mL solution with a concentration of 5%, it is important to understand what a 5% solution means. A 5% solution indicates that there are 5 grams of sodium chloride in every 100 mL of solution.

To find out how many grams of sodium chloride are in 200 mL, we can set up a proportion. Since 200 mL is double the volume of 100 mL, we can simply double the amount of sodium chloride contained in 100 mL. Therefore, in 200 mL, there are:

5 grams per 100 mL × 2 = 10 grams.

This logical calculation confirms that the correct answer, indicating the presence of 10 grams of sodium chloride in 200 mL of a 5% solution, is accurate. Understanding this concentration and its relationship with volume is crucial in medical math, as it frequently applies to dosage and preparation of solutions in healthcare settings.