SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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g of solid potassium chloride, KCl needs to be dissolved in distilled water to produce 0.4 mol dm-3 potassium chloride solution, KCl. What is the volume of distilled water needed to dissolve the solid potassium chloride?[Molar mass of KCL = 74.5 g mol-1]
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50 cm3
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200 cm3
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500 cm3
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2 000 cm3
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Explanation:
Detailed explanation-1: -The molar mass of KCl is 74.55 g/mol. Hence, the amount of water that should be added to 5.0 grams of KCl to prepare a 0.500 m solution is 0.13 kg.
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