Question

Caculate the mas of water and mass of glucose required to make 250g of 40% solution of glucose

Answer 1

Answer:

375 g of water

Explanation:

Mass% = (Mass of solute / Mass of solution) × 100

Let the mass of water to be added be "x"

Then,

40 = [250 g / (250 g + x)] × 100

2/5 = 250/(250 + x)

2(250 + x) = 1250

500 + 2x = 1250

2x = 750

x = 375 g