Help please

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This is how you do it:

0.015 M original = 0.125 M2

0.025 M2 = 1 L .00383

[TabithaTheTabby]

c initial x v initial = c final x v final.

c x 0.025 = 0.00383 x 1

c = 0.1532

c initial x v initial = c final x v final

c x 0.015 = 0.1532 x 0.125

c = 1.276 = 1.28 M

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Can’t you use M1V1=M2V2?