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[CHEM 1120] Lab#5:Analysis of an Iron-Containing Salt $7.99   Add to cart
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[CHEM 1120] Lab#5:Analysis of an Iron-Containing Salt

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  • Course
  • CHEM 1120
  • Institution
  • Langara College ( )

[CHEM 1120] Langara College ONLY lab work. This will mean nothing to you if you are from another country like the UK or the USA or even from another university in Canada, like UBC. If you are at Langara College and follow this lab, you will get 100% on the lab write-up.

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Document information

  • October 25, 2022
  • 3
  • 2021/2022
  • Other
  • Unknown

Subjects

  • beers law
  • absorbance
  • finding absorbance
  • beers law
  • analysis of iron containing salt

Written for

  • Langara College ( )
  • Chemistry
  • CHEM 1120
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Your Name LAB #5 : ANALYSIS OF AN IRON-CONTAINING
SALT (BEER’S LAW) Date the Lab was Done




DATA & MINOR CALCULATIONS:
Preparations of Standards

• Concentration of Fe2+ stock solution ___52.74 mg/L____
Preparation of K3Fe(C2O4)3 • 3H2O Test Solution

• Tared Mass of K3Fe(C2O4)3 • 3H2O ___0.205 g_______
• Empty Beaker ___51.485_______
• Empty Beaker + K3Fe(C2O4)3 • 3H2O ___51.690 g______




TABLE #1 : ABSORBANCE OF SOLUTIONS @ 490 nm
SOLUTION TYPE ABSORBANCE
1.00 mL 0.189 @ 490nm
2.00 mL 0.358 @ 490 nm
3.00 mL 0.485 @ 490 nm
4.00 mL 0.538 @ 490 nm
Unknown 0.295 @ 490 nm
Blank (no Fe2+) 0.000 nm

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