Determine the [oh−] of a solution that is 0.260 m in hco−3.

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09-04-2018
Chemistry

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Determine the [oh−] of a solution that is 0.260 m in hco−3.

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jamuuj jamuuj · Answer 1 · 2018-04-21T06:30:46+02:00

HCO3^-1 hydrolysis will be HCO3^-1 + water = H2CO3 + OH- Kh = Kwater/k H2CO3 = 1×10^-14/4.4×10^-7 = 2.27 × 10^-8 Kh = [H2CO3][OH-]/[H2CO3-] 2.27 × 10^-8 = [X][X]/0.260 5.902× 10^-9 = X² Therefore; X ={OH-] = 7.682 × 10^-5