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30 ml of 20 Vol of H(2)O(2) 40 ml of 20 ...

30 ml of 20 Vol of `H_(2)O_(2)` 40 ml of 20 Vol `H_(2)O_(2)` and 30 ml 10 Vol of `H_(2)O_(2)` dissolved in all proprotios. The normality of the resulting solution is ....

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The correct Answer is:
3
`(V_1 N_1 + V_2 N_2 + V_3N_3)/(V_1 + V_2 + V_3) = N`
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