Question

calculate the number of molecules present in 0.53 moles of carbon dioxide?
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Answer 1

No. of moles of CO²= 0.53

Avogadro's No. = 6.022*10²³

No. of molecules of CO² = No.of moles of CO²*Avogadro's No

= 0.53*6.022*10²³

=3.19 *10²³

Therefore, 0.53 moles of CO² will contain 3.19 molecules of CO².

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