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If I spill 100ml of a .5 M H3PO4 solution, how many grams of NaOH should be dissolved in water and added to the spill to neutralize the acid?

  • Chemistry - ,

    H3PO4 + 3NaOH ==> Na3PO4 + 3H2O
    mols H3PO4 = M x L = ?
    mols NaOH = 3x that.
    mols NaOH = grams/molar mass. You know mols and molar mass, solve for grams.

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