Answer :
The coefficients of H2S and HNO3 in the balanced reaction equation are 2 and 3 respectively.
Chemical reaction
In a chemical reaction, reactans interact in a unique way to form products. In this case, the unbalanced reaction equation is; H2S + HNO3-----> NO + H2O.
Since this reaction is redox and electrons are lost/gained in the process, the coefficients of H2S and HNO3 in the balanced reaction equation are 2 and 3 respectively.
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