Question

Calculate the moles of $FeS{O}_4$ in a 1.824 g sample?

• A. 0.14
• B. 0.014
• C. 0.12
• D. 0.012

Answer 1

The correct option is D 0.012

The molar mass of $FeS{O}_4=(56+32+16\times 4)g/mol=152g/mol$

Therefore, 1.824 g of $FeS{O}_4=\frac{1.824}{152}$
= 0.012 mol