Agas mixture containing oxygen, nitrogen, and carbon dioxide has a total pressure of 42.9 kpa. what is the partial pressure of carbon dioxide if the partial pressure of oxygen is 6.6 kpa and the partial pressure of nitrogen is 23.0 kpa?

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

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