Question

How much water should be added to 34 mL of ​18% alcohol solution to reduce the concentration to ​17%?

Answer 1

add -0.72 to both sides

2.04 - 0.72 = 0.72-0.72+0.06x

1.38=0.06x

divide by 0.06

1.38/0.06 = x

23 =x

23 ml water

Explanation:

Answer 2

2mL of water is need to reduce 18% alcohol solution to 17%