Senyawa Hidrat

Hidrat barium klorida \(\ce{BaCl2 \:.\: x H2O}\)

\(\ce{BaCl2 -> Ba^{2+} + 2 Cl-}\)

Kenaikan titik didih

\begin{equation*}
\begin{split}
\Delta T_b & = m \:.\: K_b \:.\: i  \\\\
\Delta T_b & = \frac {m}{Mr} \:.\: \frac {1000}{p} \:.\: K_b \:.\: [1 + (n - 1) \:.\: \alpha]  \\\\
0,15 & = \frac {31,6}{137 + 2 \:.\: 35,5 + 18x} \:.\: \frac {1000}{1000} \:.\: 0,5 \:.\: [1 + (3 - 1) \:.\: 1]  \\\\
0,15 & = \frac {31,6}{208 + 18x} \:.\: 1 \:.\: 0,5 \:.\: 3  \\\\
\frac {0,15}{1,5} & = \frac {31,6}{208 + 18x} \\\\
\frac {1}{10} & = \frac {31,6}{208 + 18x} \\\\
208 + 18x & = 316 \\\\
18x & = 108 \\\\
x & = 6
\end{split}
\end{equation*}