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15 June, 00:16

A certain amount of hydrogen peroxide was dissolved in 100. mL of water and then titrated with 1.68 M KMnO4. What mass of H2O2 was dissolved if the titration required 19.8 mL of the KMnO4 solution

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  1. 15 June, 02:00
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    Simple it's 9+10 meaning it's 21
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