Let's address each of the parts of the questions systematically.
### 2. Write conjugate acid for the following
2.1. [tex]\( H_4 PO_4 = H_2 H_2 PO_4 \)[/tex]
- The conjugate acid of [tex]\( H_4PO_4 \)[/tex] is [tex]\( H_2H_2PO_4 \)[/tex].
2.4. HS
- The conjugate acid of [tex]\( HS \)[/tex] is [tex]\( H_2S \)[/tex].
a.2. [tex]\( H_2 PO_4^{-} \)[/tex]
- The conjugate acid of [tex]\( H_2 PO_4^{-} \)[/tex] is [tex]\( H_3 PO_4 \)[/tex].
2.5. [tex]\( NO_3 \)[/tex]
- The conjugate acid of [tex]\( NO_3 \)[/tex] is [tex]\( HNO_3 \)[/tex].
2.3. [tex]\( HSO_4^{-} \)[/tex]
- The conjugate acid of [tex]\( HSO_4^{-} \)[/tex] is [tex]\( H_2SO_4 \)[/tex].
2.5. [tex]\( HCO_3^{-} \)[/tex]
- The conjugate acid of [tex]\( HCO_3^{-} \)[/tex] is [tex]\( H_2CO_3 \)[/tex].
### 3. Write conjugate base for the following
[tex]\[
\begin{array}{ll}
\text{3.1. } H_2 PO_4^{-} & \text{3.4. } HCO_3^{-} \\
\text{3.2. } HSO_3 & \text{3.5. } F_2 \\
\text{3.3. } H_2 O & \text{3.6. } SO_4^{2-} \\
\end{array}
\][/tex]
3.1. [tex]\( H_2 PO_4^{-} \)[/tex]
- The conjugate base of [tex]\( H_2 PO_4^{-} \)[/tex] is [tex]\( HPO_4^{2-} \)[/tex].
3.2. [tex]\( HSO_3 \)[/tex]
- The conjugate base of [tex]\( HSO_3 \)[/tex] is [tex]\( SO_3^{2-} \)[/tex].
3.3. [tex]\( H_2 O \)[/tex]
- The conjugate base of [tex]\( H_2 O \)[/tex] is [tex]\( OH^{-} \)[/tex].
3.4. [tex]\( HCO_3^{-} \)[/tex]
- The conjugate base of [tex]\( HCO_3^{-} \)[/tex] is [tex]\( CO_3^{2-} \)[/tex].
3.5. [tex]\( F_2 \)[/tex]
- The conjugate base of [tex]\( F_2 \)[/tex] is [tex]\( F^{-} \)[/tex].
3.6. [tex]\( SO_4^{2-} \)[/tex]
- The conjugate base of [tex]\( SO_4^{2-} \)[/tex] is [tex]\( SO_4^{2-} \)[/tex].
