Calculate the following concentrations.A pharmacy technician added a 4% NaCl solution into a graduate already containing a NaCl solution of unknown concentration. If the total volume of the mixed solution in the graduate is 200 mL and its concentration is 2.5% NaCl, how many mL of the 4% solution was added into the graduate?__________
What will be an ideal response?
125 mL
Health Professions
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