SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The mass of ethanedioic acid, H2C2O4 in 250 cm3 of0.25 mol dm-3 solution is
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5.625 g
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11.250 g
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22.500 g
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33.750 g
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Explanation:
Detailed explanation-1: -The milliliters cancel the leaders, cancel the moles cancel and we get 3.38 g. Oxalic acid needs to be measured out and then added to enough water to prepare a 250 milliliters solution, so that solution is . 15 molar, oxalic acid. I hope that helps.
Detailed explanation-2: -Hence, mass of oxalic acid required is 3. 15 g.
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