SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Number of moles present in 22.0g of carbondioxide is
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2
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22
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0.5
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0.25
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Explanation:
Detailed explanation-1: -Then, 22 g of carbon dioxide =2244 mole = 0.5 mole.
Detailed explanation-2: -Give that 20 g of water. =20 / 18=1.111 mole. Give that 22 g of carbon dioxide. =22 / 44=0.5 mole.
Detailed explanation-3: -thus in 0.5 moles there are 2 / 2 = 1 mole of oxygen in 22g (0.5 moles) of CO2.
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