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Chem/Solution Concentrationa

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How many gtams of potassium bromide(KBr), could be recovered by evaoportating 650.g of 15 percent KBr solution to dryness?

Can you explain how to solve this?

  • Chem/Solution Concentrationa -

    15% KBr soln means 15 g KBr in 100 g soln. So all you need to do is to calculate the number of grams KBr in 650 g soln. That is simply
    15 x (650/100) = ??

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