Question: If 10 grams of sodium chloride (NaCl) is dissolved in 100 mL of water, what is the concentration in g/L?

Options:

1. 100 g/L
2. 10 g/L
3. 1 g/L
4. 0.1 g/L

Correct Answer: 100 g/L

Solution:

Concentration = (10 g / 0.1 L) = 100 g/L.