Apharmacy technician has been given 100 milliliters of a 25% solution and been asked to dilute the solution to 500 milliliters with sterile water. she has also been asked to label the solution. what percentage should appear on the label?

M1V1 = M2V2

where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.

25% x 100 = M2 x 500

M2 = 5%

The new label should be 5%.

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

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