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Unformatted text preview: HPO 4 is found to contain 5.35 mol of N atoms how many moles of H atoms are present? 4) How many moles of CO 2 H groups are present in 10.3 mol of C 6 H 4 (CO 2 H) 2 molecules? 5) The re-breather units used by some firefighters convert exhaled carbon dioxide into oxygen gas. KO 2 (s) + CO 2(g) K 2 CO 3 (s) + O 2(g) a) Balance the chemical equation above. b) How many moles of KO 2 are required to completely react with 0.400 mol of CO 2 ? c) How many grams of KO 2 are required to react with 0.400 mol of CO 2 ?...
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