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144. Solving a chemistry problem

144. Solving a chemistry problem

Seller: Derkach

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Product description

1.17. Calculate the total surface of 250 g of coal dust with a particle diameter of 6 · 10–5 m. The density of coal is 1.8 · 103 kg / m3.

Additional information

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.