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In Sn + HNO3 to Sn(NO3)2 + H2O + NH4NO3 ...

In `Sn + HNO_3 to Sn(NO_3)_2 + H_2O + NH_4NO_3` , the valencies of Sn are_________

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To determine the valencies of Sn (tin) in the reaction \( \text{Sn} + \text{HNO}_3 \rightarrow \text{Sn(NO}_3\text{)}_2 + \text{H}_2\text{O} + \text{NH}_4\text{NO}_3 \), we can follow these steps: ### Step 1: Understand the Reaction The reaction involves tin (Sn) reacting with nitric acid (HNO₃) to form tin(II) nitrate (Sn(NO₃)₂), water (H₂O), and ammonium nitrate (NH₄NO₃). ### Step 2: Identify the Compounds In the product Sn(NO₃)₂, we can see that it contains the nitrate ion (NO₃) which has a charge of -1. Since there are two nitrate ions in the compound, the total negative charge contributed by the nitrate ions is -2. ...
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