Let's say I am asked how to prepare 200 mL of 0.9 M NaOH solution, starting from 5.01 M stock solution. My solution to the problem is as follows: C1 V1 = C2 V2 V1 = C2 V2 / C1 V1 = (0.9 M) (200 mL) / 5.01 M V1 = 35.9 mL Now I'm wondering how many significant figures my final answer should have. From what I know, I have to refer to the least significant measurement, which happens to have one significant figure (based on 0.9 M NaOH solution). Should my answer be 40 mL instead?
Let's say I am asked how to prepare 200 mL of 0.9 M NaOH solution, starting from 5.01 M stock solution. My solution to the problem is as follows: C1 V1 = C2 V2 V1 = C2 V2 / C1 V1 = (0.9 M) (200 mL) / 5.01 M V1 = 35.9 mL Now I'm wondering how many significant figures my final answer should have. From what I know, I have to refer to the least significant measurement, which happens to have one significant figure (based on 0.9 M NaOH solution). Should my answer be 40 mL instead?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 23QAP
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Let's say I am asked how to prepare 200 mL of 0.9 M NaOH solution, starting from 5.01 M stock solution. My solution to the problem is as follows:
C1 V1 = C2 V2
V1 = C2 V2 / C1
V1 = (0.9 M) (200 mL) / 5.01 M
V1 = 35.9 mL
Now I'm wondering how many significant figures my final answer should have. From what I know, I have to refer to the least significant measurement, which happens to have one significant figure (based on 0.9 M NaOH solution). Should my answer be 40 mL instead?
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