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Standard XII

Chemistry

Balancing Redox Equations

The molecular...

Question

The molecular formula of a commercial resin used for exchanging ions in water softening is $C_{8} H_{7} S O_{3} N a (M o l . W t . 206 g m o l^{- 1})$ .What would be the maximum uptake of $C a^{2 +}$ ions by the resin when expressed in mole per gram resin?

$\frac{1}{206}$

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\frac{2}{309}

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\frac{1}{412}

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\frac{1}{103}

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Solution

The correct option is C $\frac{1}{412}$
$2 C_{8} H_{7} S O_{3} N a + C a^{2 +} \to {(C_{8} H_{7} S O_{3})}_{2} C a + N a^{+} 2 m o l 1 m o l 412 g 1 m o l$
Maximum uptake of $C a^{2 +}$ ions by the resin (mole per gm resin) = $\frac{1}{412}$

Hence the correct option is (c).

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Similar questions

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

C_{8} H_{7} S O_{3}

(Mol. wt. 206). Water would be the maximum uptake of

C a^{2 +}

ions by the resin when expressed _____ in mole per gram of resin.

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

C_{8} H_{7} S O_{3} N a

(

molecular weight

206)

. What would be the maximum uptake of

C a^{2 +}

ions by the resin when expressed in mole per gram resin?

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

C_{8} H_{7} S O_{3} N a

(Mol. wt. 206). What would be the maximum uptake of

C a^{2 +}

ions by the resin when expressed in mole per gram resin?

The molecular formula of a commercial resin used for exchanging ions in water softening is $C_{8} H_{7} S O_{3} N a$ (molecular weight = 206). What would be the maximum uptake of $C a^{2 +}$ ions by the resin when expressed in mole per gram resin?

Q. 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

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The molecular formula of a commercial resin used for exchanging ions in water softening is C8H7SO3Na (Mol.Wt. 206 g mol−1) .What would be the maximum uptake of Ca2+ ions by the resin when expressed in mole per gram resin?

The correct option is C 14122C8H7SO3Na+Ca2+→(C8H7SO3)2Ca+Na+ 2 mol 1 mol 412 g 1 mol Maximum uptake of Ca2+ ions by the resin (mole per gm resin) =1412 Hence the correct option is (c).

The molecular formula of a commercial resin used for exchanging ions in water softening is $C_{8} H_{7} S O_{3} N a (M o l . W t . 206 g m o l^{- 1})$ .What would be the maximum uptake of $C a^{2 +}$ ions by the resin when expressed in mole per gram resin?

The correct option is C $\frac{1}{412}$
$2 C_{8} H_{7} S O_{3} N a + C a^{2 +} \to {(C_{8} H_{7} S O_{3})}_{2} C a + N a^{+} 2 m o l 1 m o l 412 g 1 m o l$
Maximum uptake of $C a^{2 +}$ ions by the resin (mole per gm resin) = $\frac{1}{412}$

Hence the correct option is (c).