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Results tagged with experimental-chemistry
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user 75100
This tag should be applied to questions relating to the theory, design, techniques or performance of chemical experiments. This includes but is not limited to theoretical structures, expected products, thermal calculations, and empirical analysis. Additional tags should be applied to narrow down the field of research.
2
votes
1
answer
2k
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Does hydrochloric acid change in concentration over time?
I have new bottles of 1 N hydrochloric acid from Fisher. The acid comes standardized from the company:
Standardized at 25 °C to pH 8.2 against sodium hydroxide that has been standardized against N …
- 151
4
votes
Should the tip of the burette of an automatic titrator be immersed in the analyte?
I have tried either inside or outside and they both worked fine. Since I deliver very small volumes at a time (20 μL), I validated the dispensed volume using a balance and dipping the tip inside the a …
- 151
5
votes
2
answers
372
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Should the tip of the burette of an automatic titrator be immersed in the analyte?
In all the tutorials I found online, the tip of the burette (containing the titrant - NaOH) was immersed into the analyte solution. My question is: shouldn't the tip be out of the solution? Isn't ther …
- 151