The volume of 30% concentrated lime juice that must be added to a 4L solution of 80% concentrated lime juice and 20% water is 6 L.
Mixtures are substances which are formed when two or more substances are physically combined together.
Mixtures are heterogenous in nature and the constituents can be easily separated.
The volume of 30% concentrated lime juice that must be added to a 4L solution of 80% concentrated lime juice and 20% water, so that the concentration of the resulting solution is 50% concentrated lime juice is determined as follows:
Let the volume of 30% lime juice required be x;
total volume of lime juice = 0.3x
For 80% lime juice, volume of lime juice = 0.8 * 4 = 3.2 L
New volume of lime juice = 4 + x
New amount of lime juice added = 3.2 + 0.3x
Also, new amount of lime juice = 0.5 * ( 4 + x)
3.2 + 0.3x = 0.5 * ( 4 + x)
0.2x = 1.2
x = 6 L
In conclusion, the volume to be added is obtained from the percent concentration.
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