Identify the species that was reduced in the titration reaction shown below. Justify your answer in terms of oxidation numbers.
6H+(aq)+2MnO4−(aq)+5H2C2O4(aq)→10CO 2(g)+8H2O(l)+2Mn2+(aq)

Consider the two electron arrangements for neutral atoms a and b. are atoms a and b the same element? a - 1s2, 2s2, 2p6, 3s1 b - 1s2, 2s2, 2p6, 5s1

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Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances