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A student is making a solution of potassium permanganate(KMnO.). They mix 23.7 grams of
potassium permanganate into 750.0 mL of water.
What is the molarity of the potassium permanganate solution?
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Ответ:
The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.