The scientist needed an average absorbance to determine the concentration of iron from a calibration curve - HSC - SSCE Chemistry - Question 11 - 2006 - Paper 1
Question 11
The scientist needed an average absorbance to determine the concentration of iron from a calibration curve.
Which value should the scientist use?
(A) 0.362
(B) 0.3... show full transcript
Worked Solution & Example Answer:The scientist needed an average absorbance to determine the concentration of iron from a calibration curve - HSC - SSCE Chemistry - Question 11 - 2006 - Paper 1
Step 1
Identify the Average Absorbance
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Answer
From the given options, we need to identify the average absorbance for determining the concentration of iron. It appears that the correct option should be derived from the calibration curve data, where absorbance correlates with concentration.
Step 2
Evaluate the Options
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Answer
Among the given options, the closest value that would be derived from a typical calibration curve and represents a reasonable estimate for average absorbance is 0.391.
Step 3
Conclusion
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Answer
Therefore, the scientist should use option (D) 0.391.
