Chlorine can be prepared by reacting HCl with MnO₂. The reaction is represented by this equation.
MnO₂(s) + 4HCl(aq) → Cl₂(g) + MnCl₂(aq) + 2H₂O(l)
Assuming the reaction goes to completion what mass of concentrated HCl solution (36.0% HCl by mass) is needed to produce 2.50 g of Cl2?

Question

Chlorine can be prepared by reacting HCl with MnO2. The  reaction is represented by this equation.
MnO2(s) + 4HCl(aq) → Cl2(g) +  MnCl2(aq) + 2H2O(l)
Assuming the reaction goes to completion what mass of  concentrated HCl solution (36.0% HCl by mass) is needed to produce 2.50 g of  Cl2?

Accepted Answer

Correct answer: B.

Practice USNCO / General Chemistry questions like this — free