To balance equation → equal number of atoms on both sides → whole number coefficients
NaCl (aq) + H2SO4 (aq) + MnO2 (s) → Na2SO4 (aq) + MnCl2 (aq) + H2O (l) + Cl2 (g)
Balance Na and Cl:
4NaCl (aq) + H2SO4 (aq) + MnO2 (s) → 2Na2SO4 (aq) + MnCl2 (aq) + H2O (l) + Cl2 (g)
Balance H and O:
4NaCl (aq) + 2H2SO4 (aq) + MnO2 (s) → 2Na2SO4 (aq) + MnCl2 (aq) + 2H2O (l) + Cl2 (g)
Chlorine gas was first prepared in 1774 by C. W. Scheele by oxidizing sodium chloride with manganese(IV) oxide. The reaction is
NaCl (aq) + H2SO4 (aq) + MnO2 (s) → Na 2SO4 (aq) + MnCl 2 (aq) + H2O (l) + Cl 2 (g)
Balance this equation.
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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.