Answer: -
The concentration of solution which contains 2.5 g of sugar dissolved in 50 g of water is 5 % (w/w)
Explanation: -
Amount of sugar = 2.5 g
Mass of water = 50 g
Concentration of sugar = [tex] \frac{2.5 g}{50g} [/tex] x 100
= 5%
Thus the concentration of sugar is 5 % (w/w)
