0731. Solving a chemistry problem
Seller: Derkach
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Product description
- A steel sample contains 0.05% manganese. What sample of steel should be dissolved in 100 ml so that, by taking 25 ml of this solution into a 50 ml flask, a color corresponding in intensity to the color of a solution containing 0.25 mg of manganese in 50 ml of solution is obtained?
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.