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ira [324]
3 years ago
15

A chemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. The table show

s the amount of each solution used. What is the value of x, the acid concentration of the first solution? 0.05 0.10 0.15 0.20 Mark this and return
Mathematics
2 answers:
kondaur [170]3 years ago
6 0

Given that amount of first acid solution = 4 liters

Let concentration of the first acid solution = x

then effective amount of first solution = 4x


Given that amount of second  acid solution = 10 liters

Givn that concentration of the second acid solution = 40% = 0.4

then effective amount of second solution = 0.4(10)


Then amount of resulting acid solution = (4+10) liters

Givn that concentration of the resulting acid solution = 30% = 0.3

then effective amount of resulting solution = 0.3(4+10)


Combining all those results gives equation

4x +0.4(10) = 0.3(4+10)

4x +4 = 0.3(14)

4x +4 = 4.2

4x = 0.2

x=0.05


Hence final answer is 0.05 or you can say 5%.



lukranit [14]3 years ago
5 0

Answer:

0.05

Step-by-step explanation:

on e2020

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