Question

suppose you want to make 2000g of a solution of glucose in water that has 2.8%(m/m) concentration. how much glucose should you use​

Answer 1

Answer:

56g of glucose

Explanation:

%(m/m) = (mass solute / mass solution) × 100

mass solute = (%(m/m) / 100)(mass solution)

mass solute = (2.8 / 100)(2000 g)

mass solute = 56 g

Answer 2

Answer:

You should use 56 g glucose.

Explanation:

You want to make a 2.8%m/m solution

Thgat is 2.8 g glucose in 100 g solution

But total mass of solutiuon mnust be 2,000 g

How much glucose to use?

Mass of glucose = 2000 g solution / 100 g solution * 2.8 g glucose = 56 g

You must use 56 g glucose.