(a) Calculate the elevation of boiling point of a solution when $3\text{ g}$ of $\text{CaCl}_2$ (Molar mass $= 111\text{ g mol}^{-1}$) was dissolved in $260\text{ g}$ of water, assuming that $\text{CaCl}_2$ undergoes complete dissociation. ($K_b$ for water $= 0\cdot52\text{ K kg mol}^{-1}$)