\( \mathrm{X}_{2}\left(\mathrm{SO}_{4}\right)_{3} \) Weak base 1- Mention two different methods to dissolve the ppt. (A). 2- Find the mass of ppt. (A) + solution (B) which is produced from 26 g of \( \left.\mathrm{X}_{2}\left(\mathrm{NO}_{3}\right)_{2}\right)_{2} \).

\( \begin{array}{ll}\text { 3.46. } & \text { 3-clorobut-2-enal } \\ \text { 3.47. } & \text { 2-metilciclopentanol } \\ \text { 3.48. } & \text { butanamida } \\ \text { 3.49. } & \text { Ácido acético (ácido etanoico) }\end{array} \)

When a COVALENT compound (such as ICE or WAX) MELTS, this is due to... [NONE of these] the LIQUEFACTION of the atoms themselves the breaking of the INTERMOLECULAR FORCES the breaking of the COVALENT BONDS within the molecule

b) Write structural formulae for the following compounds (i) \( 2,3,3,4 \) - tetra methyl pent - 1 - ene (ii) Tetralodo methane (iii) 2,5, di methyl hexane (iv) Heptane (v) Pent- 2 - yne

4) Apagıda varilen maddalarden hangisi suda çö- zöndogonda oriamda bulunan H' iyon derişimini artırir? \( \begin{array}{ll}\text { A) } \mathrm{KOH} & \text { B) } \mathrm{NH}_{3} \\ \text { C) } \mathrm{H}_{2} \mathrm{SO}_{4} & \text { () } \mathrm{KNO}_{3}\end{array} \)

\( \mathrm{X}_{2}\left(\mathrm{SO}_{4}\right)_{3} \) Weak base 1- Mention two different methods to dissolve the ppt. (A). 2- Find the mass of ppt. (A) + solution (B) which is produced from 26 g of \( \left.\mathrm{X}_{2}\left(\mathrm{NO}_{3}\right)_{2}\right)_{2} \).