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dolphi86 [110]
3 years ago
11

You work in a lab. You need a 15% acid solution for a procedure, but your supplier only sells a 10% solution and a 30% solution.

You must mix the 10% solution with 30% solution to make your own 15% solution. You need 10 liters of the 15% acid solution. How many liters of 10% solution and 30% solution should you mix together?
Chemistry
2 answers:
aev [14]3 years ago
7 0

Answer:

10% solution volume =7.5 L

30% solution volume =  2.5 L

Explanation:

assume 10% solution volume is  x

So  30% solution volume = 10-x  

Required 15% solution= x volume of 10% solution+ (10-x) volume of 30% solution

0.15 * 10L= 0.1 x + (10- x)* 0.3

1.5= 0.1 x+ 3 -0.3 x

0.2 x= 1.5

x= 7.5

10% solution volume is  x =7.5 L

So  30% solution volume = 10-x  = 10-7.5= 2.5 L

wlad13 [49]3 years ago
6 0

I'm not really an expert on chemistry but here is a link that I believe might be helpful. https://socratic.org/questions/suppose-you-work-in-a-lab-and-you-need-a-15-acid-solution-to-conduct-a-certain-t

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