40. Solving a chemistry problem
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40. Solving a chemistry problem
1. When potassium permanganate reacts with hydrochloric acid, chlorine is formed, which can completely displace bromine from potassium bromide contained in 250 g of KBr solution with a mass fraction ω(KBr) = 14.8%. Determine the mass of potassium permanganate that has reacted.
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