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Write equations & explain why the follow...

Write equations & explain why the following species act as weak bases in water solution.
i. `CH_(3)NH_(2)` ii. `NO_(2)^(Θ)` iii. `HPO_(4)^(2-)` iv. `CHO_(2)^(Θ)`

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To understand why the given species act as weak bases in water, we will analyze each species, write the corresponding chemical equations, and explain the reasoning behind their behavior. ### Step-by-Step Solution: #### i. `CH₃NH₂` (Methylamine) 1. **Chemical Equation**: \[ CH_3NH_2 + H_2O \rightleftharpoons CH_3NH_3^+ + OH^- ...
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