Calculate the molarity of s2o32 - if 3.0 ml 0.10 m k2s2o8, 2.0 ml 0.10 m k2so4, 1.0 ml 2% starch, 2.0 ml 0.010 m na2s2o3, and 5.0 ml 0.20 m ki are mixed.

Question

Chemistry

Terrance Hansen

28 January, 19:15

Calculate the molarity of s2o32 - if 3.0 ml 0.10 m k2s2o8, 2.0 ml 0.10 m k2so4, 1.0 ml 2% starch, 2.0 ml 0.010 m na2s2o3, and 5.0 ml 0.20 m ki are mixed.

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Answers (1)

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Clay Lambert · Answer 1

Calculate the moles of S2O3 you have, that is the concentration of Na2S2O3 * the volume in L

Add up all the volumes, convert to L

Divide moles by the volume in L.