Question

a health aide needs to prepare a saline solution where the concentration should be 3 times the initial concentration. if the initial concentration is 5 grams per liter, what should the final concentration be?

15 grams per liter
45 grams per liter
5 grams per liter
30 grams per liter

Explanation:

Identify the given values

$$
LATEXBLOCK0
$$

Set up the equation

$$ \text{Final concentration} = 3 \times \text{Initial concentration} $$

Calculate the final concentration

$$ \text{Final concentration} = 3 \times 5 = 15\text{ grams per liter} $$

Answer:

• 15 grams per liter (Correct answer)
• 45 grams per liter
• 5 grams per liter
• 30 grams per liter