94. Solving a chemistry problem
Seller: Derkach
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Product description
How many g of potassium hydroxide containing 6.00% impurities must be taken to prepare 250 cm3 of a solution with a mass fraction of 25.85% and a density of 1.245 g/cm3? With what accuracy should the sample be calculated, and on what scales should it be weighed?
Additional information
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