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hydrochloric acid and oxygen gas form water and chlorine gas how many moles of hydrochloric acid is required to produce 6.74 moles of water

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Answer

Number of moles of HCl = 13.48 mol

Explanation

Given:

Moles of water = 6.74 mol

Required: Moles of HCl

Solution

Step 1: Write a balanced chemical equation

[tex]4HCl\text{ + O}_2\rightarrow2H_2O\text{ + 2Cl}_2[/tex]

Step 2: Use the stoichiometry to calculate the moles of HCl

The molar ration between HCl and H2O is 4:2

Therefore moles of HCl = 6.74 mol x (4/2) = 13.48 mol

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