A 2 M solution with an initial volume of 1 L is diluted to 2 L. What is the Molarity of the final
solution?

The molarity of the final solution is 1 M.

Explanation:

A simple equation to use is M1V1=M2V2.

M=molarity

V=volume

M1V1 are the initial conditions, while M2V2 are the final conditions. Initially, the problem tells us that the solution is 2 M with an initial volume of 1 L. It also gives the final volume, but not the final molarity, which is what we are trying to solve for. Using the equation, plug in the given conditions:

M1V1=M2V2

(2 M)(1 L) = (M2)(2 L)

Solve for M2, the final molarity.

M2=(2 M)(1 L)/(2 L)

M2= 1 M

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