Chemistry/maths

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Using the following stock solutions:

NaCl, 100mmol
KCl, 200mmol
CaCl2, 160mmol
Glucose, 5mmol

Calculate the volumes of each stock solution and the volume of water needed to prepare 100ml of a single solution containing

NaCl at 5.0mmol
KCl at 2.5mmol
CaCl2 at 40mmol
Glucose at 0.25mmol


thanks

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