34. Solving a chemistry problem
Seller: Derkach
Price: 1.18 USD
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Product description
- A 0.425 g soil sample was dissolved and diluted to 50.0 ml. Interfering impurities were removed from an aliquot of 25.0 ml, and the reagent and water were added to a volume of 50.0 ml. When photographing in a cuvette l=1.0 cm, the following data were obtained:
λ= 510 nm ελ Co=36400 and ελ Ni=5520; A=0.446;
λ= 656 nm ελ Co=1240 and ελ Ni=17500; A=0.326.
Calculate the percentage of cobalt and nickel in the soil.
Additional information
If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.