Question

A crystalline hydrated salt on being heated loses $45.6 \%$ of its weight. Percentage composition of anhydrous salt is $Al$ - $10.5 \%, {K}-15.1 \%$, $S-24.8 \%,\, {O}-49.6 \%$. Find molecular formula of salt (hydrated) $({M}=948 \mathrm{~g} / \mathrm{mol}$ for hydrated salt).

Accepted Answer

${K}_2 {SO}_4 \cdot {Al}_2\left({SO}_4\right)_3 \cdot 24 {H}_2 {O}$

Answer

${K}_2 {SO}_4 \cdot {Al}_2\left({SO}_4\right)_3 \cdot 12 {H}_2 {O}$

Answer

${K}_2 {SO}_4 \cdot {Al}_2\left({SO}_4\right)_3 \cdot 6 {H}_2 {O}$

Answer

${K}_2 {SO}_4 \cdot {Al}_4\left(\mathrm{SO}_4\right)_6 \cdot 48 {H}_2 {O}$

NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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