Balance the following ionic equation for a redox reaction, using whole number coefficients.
mno4-(aq)+so2−3(aq)+h3o+(aq)⟶mn2+(a q)+so2−4(aq)+h2o(l)
in the balanced equation, what is the coefficient for h2o?
(this is the exact equation in the textbook)

Explanation:

In a chemical reaction equation, if number of atoms on the reactant side are equal to the number of atoms on product side then it is known as a balanced equation.

And, a redox reaction is defined as the reaction where there occurs change in the oxidation states of the reactants.

For example,

Reduction-half reaction: ....... (1)

Oxidation-half reaction: ............. (2)

Now, we multiply equation (1) by 2 and multiply equation (2) by 5.

         ......... (3)

         ......... (4)

Now, add both of equations (3) and (4) and the balance equation will be as follows.

Hence, the coefficient of is 9.

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acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.