Calculate the mass of 0.72 molecules …
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Posted by Garima Sharma 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
Molecular mass of CO2 = Atomic mass of C + 2 {tex}\times{/tex} Atomic mass of O
= (12u + 2 {tex}\times{/tex} 16u) = 44u
Gram molecular mass of CO2 = 44 g
1 gram molecule of CO2 = 44 g
0.72 gram molecule of CO2 {tex} = \frac{{\left( {44g} \right)}}{{\left( {1g} \right)}} \times \left( {0.72g} \right) = 31.68g{/tex}
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