What is the molarity of a solution made by diluting 100 mL of a 2.5 M solution to 200 mL?

A) 200 M
B) 2.5 M
C) 5.0 M
D) 1.25 M

Question

What is the molarity of a solution made by diluting 100 mL of a 2.5 M solution to 200 mL?A) 200 MB) 2.5 MC) 5.0 MD) 1.25 M

Johnathan Holland · Accepted Answer

Final Answer : D, Explanation :  The molarity after dilution can be calculated using the formula M1V1 = M2V2, where M1 and V1 are the molarity and volume of the initial solution, and M2 and V2 are the molarity and volume of the final solution. Substituting the given values: (2.5 M)(100 mL) = (M2)(200 mL), solving for M2 gives 1.25 M.

What is the molarity of a solution made by diluting 100 mL of a 2.5 M solution to 200 mL?

A) 200 M
B) 2.5 M
C) 5.0 M
D) 1.25 M

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