in a chemistry class 4 litters of 4% silver iodine solution must be mixed with a 10% solution to get a 6%solution. how many litters of the 10% solution are needed?
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OpenStudy (anonymous):
what di you get??
OpenStudy (anonymous):
I got a whole bunch of kitty litter.
OpenStudy (anonymous):
lol
jimthompson5910 (jim_thompson5910):
were you able to get started?
OpenStudy (anonymous):
no
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OpenStudy (anonymous):
well i just need answer
jimthompson5910 (jim_thompson5910):
we have " 4 litters of 4% silver iodine solution"
so how many liters of pure silver iodine are there here?
OpenStudy (anonymous):
kis this a question or the problem is wrong??
jimthompson5910 (jim_thompson5910):
it's a question I'm asking you
OpenStudy (anonymous):
its cause the teacher messed with the order im not sure how to do this
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OpenStudy (anonymous):
question
jimthompson5910 (jim_thompson5910):
what is 4% of 4
OpenStudy (anonymous):
.16
jimthompson5910 (jim_thompson5910):
say we add x liters of the 10% solution
so we add on 0.1x liters of pure silver iodine
jimthompson5910 (jim_thompson5910):
in total, we have 0.16 + 0.1x liters of pure silver iodine
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jimthompson5910 (jim_thompson5910):
total amount of solution: 4 + x
jimthompson5910 (jim_thompson5910):
so you need to solve this equation for x
\[\Large \frac{0.16 + 0.1x}{4 + x} = 0.06\]