Problem: Write the chemical equation for the reaction of monohydrogen phosphate ion, HPO42− with water.Write the Kb expression for the reaction of phosphate ion, HPO42− with water.a) [H2PO−4][OH−][HPO2−4][H2O]b) [HPO2−4][H2O][H2PO−4][OH−]c) [HPO2−4][H2PO−4][OH−]d) [H2PO−4][OH−][HPO2−4]

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weak base:

B (aq) + H2O (l) HB+ (aq) + OH- (aq)


Kb expression

Kb = productsreactants


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Problem Details

Write the chemical equation for the reaction of monohydrogen phosphate ion, HPO42 with water.

Write the Kb expression for the reaction of phosphate ion, HPO42 with water.

a) [H2PO−4][OH][HPO2−4][H2O]

b) [HPO2−4][H2O][H2PO−4][OH]

c) [HPO2−4][H2PO−4][OH]

d) [H2PO−4][OH][HPO2−4]