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Empirical and Molecular Formula

1. 10 moles o...

Question

1. 10 moles of nh3 and 5 moles of h2so4,,all the H-atoms are removed in order to form h2 gas,the find the number of h2 molecules formed

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Solution

2NH₃ → N₂ +3 H₂
H₂SO₄→ 2H⁺+ SO₄²^-
2H⁺ → H₂
2 moles of NH₃ give 3 moles of H₂ and 1 mole of H₂SO₄ gives 1 mole of H₂.
10 moles of NH₃ will give 15 moles of H₂ and 5 moles of H₂SO₄ will give 5 moles of H₂.
Total moles of H₂= 20
No of molecules in 20 mol = 206.02210²³= 120.44 *10²³molecules

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