Question

Ella has 0.5 lbs of sugar. How much water should she add to make the following concentrations? Tell Ella how much syrup she will have in each case.

answer for

50%

5%

75%

1.5%


PLZ HELP WILL FOLLOW BACK

Answer 1

mass of solution = mass of sugar / concentration

mass of water = mass of solution - mass of sugar

Answers for 50%

mass of solution = 0.5 lbs / 50% = 0.5 lbs / 0.5 = 1 lbs syrup

mass of water = 1 lbs - 0.5 lbs = 0.5 lbs of water

Answers for 5%

mass of solution = 0.5 lbs / 0.05 = 10 lbs syrup

mass of water = 10 lbs - 0.5 lbs = 9.5 lbs of water

Answers for 75%

mass of solution = 0.5 lbs / 0.75 = 0.6667 lbs syrup

mass of water = 0.6667 lbs - 0.5 lbs = 0.1667 lbs of water

Answers for 1.5%

mass of solution = 0.5 lbs / 0.015 = 33.33 lbs syrup

mass of water = 33.33 lbs - 0.5 lbs = 32.83 lbs of water