Given the formula m1v1=m2v2, where m indicates concentration and v indicates volume, which equation represents the correct way to find the concentration of the dilute solution (m2)?

The formula is m1v1 = m2v2.

If m1, v1 and v2 are given, then the concentration of the dilute solution (m2) can simply be calculated by substituting the givens in the mentioned equation then using cross multiplication to get the unknown value as follow:

m2 = (m1v1) / v2

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What are the choices?