In a titration of a strong base with a strong acid, the following procedure was used:
1 - HSC - SSCE Chemistry - Question 14 - 2003 - Paper 1
Question 14
In a titration of a strong base with a strong acid, the following procedure was used:
1. A burette was rinsed with water and then filled with the standard acid.
2. ... show full transcript
Worked Solution & Example Answer:In a titration of a strong base with a strong acid, the following procedure was used:
1 - HSC - SSCE Chemistry - Question 14 - 2003 - Paper 1
Step 1
The calculated base concentration will be correct.
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Answer
This statement is incorrect because if the burette was rinsed with water, it may cause dilution of the standard acid, leading to inaccurate results.
Step 2
The calculated base concentration will be too low.
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Answer
This statement is also incorrect. While one might think that dilution would lower the concentration, it's actually the initial rinsing of the burette with water followed by refilling with acid that alters the resulting concentration.
Step 3
The calculated base concentration will be too high.
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Answer
This statement is correct. The rinsing of the burette with water and then refilling with an acid introduces more volume and affects the concentration calculations, potentially leading to an overestimation of the base concentration.
Step 4
No definite conclusion can be reached about the base concentration.
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Answer
This statement is incorrect as we can deduce that the base concentration is likely overestimated due to improper rinsing procedures.
