of a solution is diluted to . What is the new molarity (in M)?
Answer and explanation
Correct answer: C. 2/5
- Step 1: Apply the dilution formula connecting initial and final molarities: .
- Step 2: Rearrange to solve for the final molarity : . Substitute , , and : .
- Step 3: Reduce the fraction to lowest terms: .
Answer
2/5.
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