Answered: A student takes a sample of KOH…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter4: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 20Q: A student wants to prepare 1.00 L of a 1.00-M solution of NaOH (molar mass = 40.00 g/mol). If solid...

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A student takes a sample of KOH solution and dilutes it to 100.00 mL of water. The student determines that the diluted solution is 0.509 M KOH, but has forgotten to record the volume of the original sample. The concentration of the original solution is 6.643 M. What was the volume of the original sample (in mL)?

Answer to 2 decimal places
Read about significant figures and rounding in the Helpful Resources page!
Do not include units when reporting your answer
Use standard notation or scientific notation as accepted by blackboard
- e.g. 0.001 or 1E-3, not 1 x 10^^-3

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