destry1177 destry1177

10-08-2020
Mathematics

contestada

What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?

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henrimed2020 henrimed2020

10-08-2020

Answer: C.V=C1.V1 +C2.V2

Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%

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