In the reaction,3 3 2 2Zn HNO Zn(NO ) NO H O,+ → + +the equivalent weight of HNO3 is
Question
In the reaction,3 3 2 2Zn HNO Zn(NO ) NO H O,+ → + +the equivalent weight of HNO3 is
Solution
To find the equivalent weight of HNO3 in the given reaction, we need to follow these steps:
Step 1: Write down the balanced chemical equation: 2Zn + 2HNO3 -> 2Zn(NO3)2 + H2O + 2NO
Step 2: Determine the molar mass of HNO3: HNO3 = 1(1.01) + 1(14.01) + 3(16.00) = 63.02 g/mol
Step 3: Identify the stoichiometric coefficient of HNO3 in the balanced equation: The stoichiometric coefficient of HNO3 is 2.
Step 4: Calculate the equivalent weight of HNO3: Equivalent weight = Molar mass / Stoichiometric coefficient Equivalent weight = 63.02 g/mol / 2 = 31.51 g/equivalent
Therefore, the equivalent weight of HNO3 in the given reaction is 31.51 g/equivalent.
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