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You want to make 50 ml of 1X tricaine solution in order to euthanize some fish. How much of a 20X tricaine stock solution will you need to dilute in order to make your solution?a. 1 ml b. 5 ml c. 0.4 ml d. 10 ml e. 2.5 ml

Answer :

Answer: e. 2.5 ml

Explanation:

According to the dilution law,

[tex]C_1V_1=C_2V_2[/tex]

where,

[tex]C_1[/tex] = concentration of stock solution = 20X

[tex]V_1[/tex] = volume of stock solution = ?

[tex]C_2[/tex] = concentration of required solution= 1X

[tex]V_2[/tex] = volume of  required solution= 50 ml

[tex]20\times V_1=1\times 50ml[/tex]

[tex]V_2=2.5ml[/tex]

Thus 2.5 ml much of a 20X tricaine stock solution is needed to dilute in order to make your solution.

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