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If the concentration of the stock solution of Auxins is 0.5mg/ml then how much amount of stock solution is to be added for the preparation of 700ml medium with 2.5mg/L Auxin concentration?

If the concentration of the stock solution of Auxins is 0.5mg/ml then how much amount of stock solution is to be added for the preparation of 700ml medium with 2.5mg/L Auxin concentration?

Grade:12th pass

1 Answers

Simran Vinaik
askIITians Faculty 1231 Points
3 years ago
Just put in the values in C1V1= C2V2where C1 is=0.5mg/ml and V1 is what you have to find out. So lets keep it X C2 is 2.5mg/L (convert Litres to ml) and V2= 700ml

0.5 mg/ml * X = 2.5 mg/ 1000 ml * 700 ml
X= 3.5 ml has to be added from stock solution to prepare 700 ml working solution

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