The molecular formula of a commercial resin used for exchanging ions in water softening is $C_{8} H_{7} S O_{3}^{-} N a^{+}$ $(M o l e c u l a r w e i g h t = 206)$ . The maximum uptake of $C a^{2 +}$ ions by the resin when expressed in mole per gram resin was found to be $\frac{1}{x}$ . Find the value of $x$ .

Question

The molecular formula of a commercial resin used for exchanging ions in water softening is

C_{8} H_{7} S O_{3}^{-} N a^{+}

(M o l e c u l a r w e i g h t = 206)

. The maximum uptake of

C a^{2 +}

ions by the resin when expressed in mole per gram resin was found to be

\frac{1}{x}

. Find the value of

x

.

Toppr Admin · Accepted Answer

The molecular weight of resin is 206 g-mol-1 g of resin corresponds to 1206 moles-

The molecular formula of a commercial resin used for exchanging ions in water softening is C8H7SO3Na (molecular weight 206). What would be the maximum uptake of Ca2+ ions by the resin when expressed in mole per gram resin?1412110312061309