114. Solving a chemistry problem
Seller: Derkach
Price: 1.18 USD
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Product description
- Determine the mass fraction of chromium in the ore, if the sample weight is 0.4000 g and when comparing the optical densities of the analyzed and standard solutions, the following data are obtained:
m(Cr), mg 10.00 15.00
D 0.200 0.250 0.235
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.