GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the number of moles in 11 grams of CO2.
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.025
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4.0
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0.25
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44
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Explanation:
Detailed explanation-1: -Hence, Moles = 11/44 = 0.25 moles of CO2.
Detailed explanation-2: -Expert-Verified Answer To find: Number of moles in 11 g of CO2. =0.25 mole.
Detailed explanation-3: -Using the Avogadro’s number: 1 mole=6.022∗1023 molecules 1 mole = 6.022 ∗ 10 23 molecules . There are 1.5055∗1023 1.5055 ∗ 10 23 molecules in 0.25 mole of CO.
Detailed explanation-4: -Hence, the number of molecules in 11 gram of carbon dioxide is 1.505×1023 . Note: Avogadro’s number was actually obtained by dividing charge of one mole of electrons by the charge of one single electron that equals 6.02214154×1023 particles per mole.
Detailed explanation-5: -Answer:Gmm of Co2=(14+32)=46. =11.5 g. Answer 11.5g.
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