PPT Slide

Daltonís Theory and Multiple Proportions

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• Different numbers of B atoms combine with each A atom  in two compounds; the masses of B that combine with a  fixed mass of A must give a small, whole-number ratio.

• The simplest arrangement consistent  with the mass data for oxides I and II  has one atom of oxygen combined  with one atom of carbon in oxide I.

• Two atoms of oxygen combine with  one atom of carbon in compound II.

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