From the change in the P2O5 trap mass before and after reaction, determine the mass of H2O produced by combustion of your catechol sample. Be careful to use the change in mass of each trap for just before, and just after, the catechol sample is combusted. Answer g.

Data: Mass in (g):
Empty NaOH trap: 38.3334 g
Empty P2O5: 38.3334 g
MassCate: 4.9813 g
MassNaOHCate: 46.0746 g
MassP2O5Cate: 40.7783 g
MassUnk: 4.9847 g
MassNaOHUnk: 51.5185 g
MassP2O5Unk: 42.9147 g

Oxidation-reduction reactions (often called "redox" for short) are reactions that involve the transfer of electrons from one species to another. oxidation states, or oxidation numbers, allow chemists to keep track of these electron transfers. in general, one element will lose electrons (oxidation), with the result that it will increase in oxidation number, and another element will gain electrons (reduction), thereby decreasing in oxidation number. the species that is oxidized is called the reducing agent or reductant. the species that is reduced is called the oxidizing agent or oxidant. to sum up: oxidation = increase in oxidation state = loss of electrons = reducing agent reduction = decrease in oxidation state = gain of electrons = oxidizing agent part a which element is oxidized in this reaction? fe2o3+3co→2fe+3co2 enter the elemental symbol. view available hint(s) is oxidized part b which element is reduced in this reaction? 2hcl+2kmno4+3h2c2o4→6co2+2mno2+2kcl+4h2o enter the elemental symbol. view available hint(s) is reduced

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