How many moles of ${\rm{A}}{{\rm{l}}_2}{\left( {{\rm{S}}{{\rm{O}}_4}} \right)_3}$ would be in 50 g of the substance?

JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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How many moles of

\mathrm{A}{\mathrm{l}_2}{\left( {\mathrm{S}{\mathrm{O}_4}} \right)_3}

would be in 50 g of the substance?

View answer and explanation

Correct option: D

0.140 mol

Option D (0.140 mol) is correct because the number of moles is calculated by dividing the given mass by the molar mass of the substance.

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