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science(chem)

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I'm doing an experiment and I'm supposed to have neutral basic and acid samples of solution.

I just wanted to make sure that I knew which was which. (If I'm incorrect, please correct me)

Acid: 0.7ml 10% H2SO4 + 0.7ml 10% Na2WO4(sodium tungstate)

Basic: 0.7ml NaOH + saturated HgCl2

Neutral: 0.7ml saturated K2CO3

Thank you.

  • science(chem) - ,

    I would expect the first one to be acid, the second to be basic and the third to be basic. K2CO3 is the salt of a strong base (KOH) and a weak acid (H2CO3) so it will hydrolyze to produce OH^- and that should make it basic. NaCl or KCl solutions will be neutral.

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