Asked by sara
Chandra has 2 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 7 liters of a 34% solution?
Answers
Answered by
Steve
Clearly she must add 5 liters. So, to get the concentration,
.14*2 + x*5 = .34*7
...
.14*2 + x*5 = .34*7
...
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