Question

How much water should be added to 15 g of sugar to prepare a 15% sugar
solution?

Answer 1

Explanation:

mass = mass of solute/mass of solution ×100

15 = [ 15/ (15+M)] × 100

15/15= 15+M ×100

15+M =100

M=100 -15

M = 85 g

so, 85g of water should be added to 15g of suger to make it a 15℅ suger solution.

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Answer 2

Answer:

Answer : Sugar =15 gram. Sugar solution percentage =15%

Explanation:

To find: Mass of water to be added .

Solution: Mass percentage formula : [mass of solute/ mass of solution ] ×100. substuting the given values : 15 =[ 15 /(15 +m)] × 100. 15/15 =100/(15+m) 15+m= 100. 5m= 85g.

So , answer is 85 gram .