March 08, 2021, 03:32:22 AM
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Topic: lab calculations  (Read 281 times)

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Offline MIK90

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lab calculations
« on: June 30, 2020, 06:17:07 AM »

I need to solve a problem but i need some help. i have 200 ug/ml (2ml in total)  of a sample X and i need to make 4 small portions of that and add different concentrations of HCL (100 μl of 0,05M,0,1M, 0,5M, 1M).IF I want to transfer 100μl from my stock solution to each new portion but then , the concentration will be the same?and if add 100 μl of HCL in each portion how I will calculate the new concentrations?

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