Q 8.     Convert into mole.

  (c)     22 g of carbon dioxide

Answers (1)

Given Mass of the carbon dioxide = 22 g.

The molecular mass of Carbon dioxide in grams  =  mass of Carbon + 2 * mass of Oxygen

                                                                               =  12u + 2 * 16u

                                                                               =  44u

The number of mole :

=\frac{given\:mass}{molecular\:mass}=\frac{22}{44}=0.5\:moles

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