SOLUTION: Hello. I am having problems with this 1 question.
How many mL of water should be added to 1 Gallon of 70% isopropyl alcohol to prepare a 30% solution for soaking sponges?
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Question 789628: Hello. I am having problems with this 1 question.
How many mL of water should be added to 1 Gallon of 70% isopropyl alcohol to prepare a 30% solution for soaking sponges?
I would appreciate your help,,, Thank You !!!!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many mL of water should be added to 1 Gallon of 70% isopropyl alcohol to prepare a 30% solution for soaking sponges?
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1*70 + w*0 = (1+w)*30
70 = 30 + 30w
w = 4/3 gallons of water
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