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Construct a standard curve (absorbance

The spectrophometer was used to measure the absorbance of each of a series of [FeSa]+ solutions. A standard curve was
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2. asked by Erin
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Construct a standard curve (absorbance vs. concentration) using the following results.A 5mL, 10mL, 15mL,20mL aliquot of 0.010M
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2. asked by Ati
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What is the slope of the standard curve?Absorbance Concentration (M) 0.330 6.00 x 10-4 0.264 4.80 x 10-4 0.198 3.60 x 10-4 0.132
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2. asked by Julie
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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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Use the measured absorbance and the standard curve's slope and y-intercept to calculate the concentration of [FeSal]+ in
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2. asked by Gustavo
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The spectrophotometer was used to measure the abosrbance of each of a series of [FeSal]+ solutions. A standard curve was
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2. asked by Julie
3. 818 views
The spectrophotometer was used to measure the abosrbance of each of a series of [FeSal]+ solutions. A standard curve was
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2. asked by Julie
3. 777 views
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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Operating wavelength : 449 nmAbsorbance of solution 1 - Standard Dichromate-H2O : 0.560 a.u. Absorbance of solution 2 - Standard
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2. asked by HELP
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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 Adam
3. 569 views