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The equivalent weight of Na(2) HPO(4) ca...

The equivalent weight of `Na_(2) HPO_(4)` can be
a. `M//2` as base b. `M//1` as acid
c. Both (a) and (b) d. Neither (a) and (b)

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To determine the equivalent weight of \( \text{Na}_2\text{HPO}_4 \), we need to analyze its behavior as an acid and as a base. ### Step 1: Understanding Equivalent Weight The equivalent weight of a substance is defined as the mass of the substance that will combine with or displace 1 mole of hydrogen atoms (or 1 mole of electrons in redox reactions). It can be calculated using the formula: \[ \text{Equivalent Weight} = \frac{M}{n} \] where \( M \) is the molar mass and \( n \) is the number of replaceable hydrogen ions or the number of moles of electrons transferred. ...
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