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1) What volume of 0.25 M HNO3 (aq) reacts with 4.8 ml of 0.150 M Na2CO3 (aq) when the two solutions are mixed?please show work step by step.

2)A solution of hydrogen peroxide, H2O2, Is titrated with a solution of potassium permanganate, KMnO4. The reaction is

5H2O2(aq) + 2KMnO4 (aq) ?5O2 (g) + 2MnSO4 (aq) +K2SO4 (aq) + 8H2) (l)

It requires 51.7 mL of 0.145 M KMNO4 to titrate 20.0 grams of the solution of hydrogen peroxide. What it the mass percentage of H2O2 in the solution. Please show work step by step.

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  • Category:- Chemistry
  • Reference No.:- M9461141

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