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65. Which of the following contains maximum number of atoms (a) 6.023x1021 molecules of CO2 (b) 22.4 L of Co, at STP (c) 0.44 g of CO2 (d) None of these nuod from 200 ma of Co, then 21

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Q1

Q3.Which has the maximum number of atoms?
(a) 6.022 x 1021 molecules of CO2
(b) 22.2 L of CO2
(c) 0.44g of CO2

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Q2

if 10²¹molecules are removed from 200 mg of CO2 , then the number of moles of CO2 left are

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