Question

balance the reaction.- Zn+HNO3=Zn(NO3)+H2​

Answer 1

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Zn + 2HNo3 ------> Zn(No3)2 + H2

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Answer 2

Answer:

2Zn+2HNO3=2Zn(NO3)+H2

Explanation:

Given,

Zn+HNO3=Zn(NO3)+H2

By hit and trail method

2Zn+2HNO3=2Zn(NO3)+H2

Therefore in both reactant and product side the elements are in same quantity so the eq. is balanced.