Sulfuric acid, H2SO4, can be neutralized by sodium hydroxide, NaOH. The unbalanced equation is: H2SO4(aq) + NaOH(aq) → Na2SO4(aq) + H2O(l)

A student who was asked to balance the reaction wrote the following:

H2SO4(aq) + Na2OH(aq) →Na2SO4(aq) + H3O(l)

Is this correct? Explain why or why not using what you know about the law of conservation of mass and chemical changes. If necessary, provide the correct balanced equation.

H2So4(aq) + 2 NaOH(aq) → Na2So4(aq) + 2 H2O(l)

Explanation:

Unbalanced Equation:

H2SO4(aq) + NaOH(aq) → Na2SO4(aq) + H2O(l)

Student

H2SO4(aq) + Na2OH(aq) →Na2SO4(aq) + H3O(l)

The above equation is wrong because;

Although balancing chemical equations involves making sure the number of atoms of elements in the reactant side is equal to  that of the product side, we don't change the subscripts. The only change allowed in balancing chemical equations is the coefficients which represents the number of moles of the entity.

The balanced equation is given as;

H2So4(aq) + 2 NaOH(aq) → Na2So4(aq) + 2 H2O(l)

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