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What amount of solid NaOH must be added to 1.0 L of a 0.12 molL−1 H2CO3...

What amount of solid NaOH must be added to 1.0 L of a 0.12 molL−1 H2CO3 solution to produce a solution with [H+]= 3.0×10−11 molL−1 ? There is no significant volume change as the result of the addition of the solid.
m=_______ g

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queen_honey_blossom answered 2 years ago
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