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lbvjy [14]
3 years ago
11

Please help!!!!!!!! MAX POINTS

Mathematics
2 answers:
scoundrel [369]3 years ago
6 0

I think is lower than 20.00


MAVERICK [17]3 years ago
4 0

Answer:

16.00

Step-by-step explanation:


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Theresa Morgan a chemist has a 10% hydrochloric acid solution and a 65% hydrochloric acid solution. How many liters of each shou
prisoha [69]

<u>ANSWER: </u>

170 liters of 10% hydrochloric acid must be mixed with 1700 liters of 65% hydrochloric acid solution to obtain 1870 liters of 60% solution.

<u>SOLUTION: </u>

First, set up a table. Fill in the unknowns with variables x and y. The table is attached below

From this, we can easily set up the two equations.  

Sum of values of two acids = Value of mixture  

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For convenience, we'll multiply the entire equation by 100,

10x + 65y = 112200   ------ (1)  

Now, Sum of amounts of each acid = Amount of mixture  

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multiply (2) with 10 for easy calculation and derive the equation into one variable.

10x + 10y = 18700  

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x  = 170  

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