The number of molecules of CO2 present in 44 g of Co, is :
(1) 6.0x10^23 (2) 3 x 10^23
(3) 12x10^23
(4) 3x10^10
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1
Answer:
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Explanation:
relative molevular mass of co2 is 44.(O=16,C=12).so the number of atoms in 44g is 6.022×10^23(avegadro constant).therefore the number of carbon atoms in 22g is 6.022×10^23/2.as in one atom there is only one atom of carbon.
Answered by
5
Answer....
Molar mass of = 12 + 2x16
= 12 + 32 = 44 g
number of molecules in 1 mole ,i.e., 44 g of = 6.0 x 10²³.
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