briebrockman briebrockman

02-05-2018
Chemistry

contestada

Which equation illustrates amphoterism

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jspivey05 jspivey05

02-05-2018

HCO3- + H2O ---><--- H2CO3 + OH-
HCO3- + H2O ----><--- CO3-2 + H3O+

Dihydrogen Phosphate is H2PO4-1
H2PO4-1 + H2O ---><--- H3PO4 + OH-
H2PO4-1 + H2O ---><--- HPO4-2 + H3O+

HIDROGEN PHOSPHATE IS HPO4-2 and for it you've got:
HPO4-2 + H2O ---><--- H2PO4-1 + OH-
HPO4-2 + H2O ---><--- PO4-3 + H3O

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