of a solution is diluted to . What is the new molarity (in M)?
Answer and explanation
Correct answer: D. 4/5
- Step 1: Use the dilution formula , which relies on the conservation of the number of moles of solute during dilution.
- Step 2: Rearrange the formula to solve for the final molarity: .
- Step 3: Substitute , , and : .
Answer
4/5.
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