a solution is made containing 4.6 g of sodium chloride per 250 g of water. what is the weight % or percent…
a solution is made containing 4.6 g of sodium chloride per 250 g of water. what is the weight % or percent by mass of the solute?
Answer
Explanation:
Step1: Find total mass of solution
Mass of solute (NaCl) = 4.6 g, mass of solvent (water) = 250 g.
Total mass = 4.6 + 250 = 254.6 g.
Step2: Calculate weight percent
Weight % = $\frac{\text{mass of solute}}{\text{total mass of solution}} \times 100$
= $\frac{4.6}{254.6} \times 100 \approx 1.807%$
Answer:
Approximately 1.81% (or 1.807%)