Acid Dilution Water Added

I have 500 ml of 31% acid and must dilute it to 5%.
How many ml of water do I need to add?

Final Answer:

x =  2600 ml

Step-by-step explanation:

c1=31%=10031=0.31 c2=5%=1005=201=0.05 a=500 ml  a c1=(a+x) c2 500 0.31=(500+x) 0.05  0.05x=130  x=0.05130=2600  x=2600=2600 ml



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You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsUnits of physical quantitiesthemes, topicsGrade of the word problem

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