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Why may the absorbance of

If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+),
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2. asked by Ch
3. 1,215 views
Imagine that your initial absorbance reading for "low salt" fraction was too high, so you diluted your sample 4x. When you
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Imagine that your initial absorbance reading for "low salt" fraction was too high, so you diluted your sample 4x. When you
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2. 39 views
For solution 1, 4.00mL of 0.0200 M Cr(NO)3 was added to 20.00ml of 0.0200 M Na2H2EDTA, then the a time and absorbance were taken
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2. asked by Fred
3. 547 views
How would you get the concentration(ppm) of a sample from absorbance?Absorbance of standard = 2.55 Absorbance of sample = 2.31
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2. asked by Lora
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Suppose that a 2.50x10^-6M solution of red dye No. 2 had an absorbance of 0.585 at its wavelength of maximum absorbance. A
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2. asked by L**
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discuss why it necessary to make absorbance measurements at the wavelength of maximum absorbance
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2. asked by ha
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There is a large [Cr2O7]-2 absorbance observed at 360 nm. Why can this wavelength not be used instead of the smaller absorbance
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2. asked by ella
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A 20 ml sample of river water is diluted to 100 ml and AAS used to analyse its Cd content. The absorbance is found to be 0.100.
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2. asked by Stella
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The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
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2. asked by Anonymous
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