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Sagot :
Answer:
1.75 g HCl
Explanation:
- PCl₅ + 4H₂O → H₃PO₄ + 5HCl
First we convert 2.00 g of PCl₅ into moles, using its molar mass:
- 2.00 g ÷ 208.24 g/mol = 0.0096 mol PCl₅
Then we convert PCl₅ moles into HCl moles, using the stoichiometric coefficients of the equation:
- 0.0096 mol PCl₅ * [tex]\frac{5molHCl}{1molPCl_5}[/tex] = 0.048 mol HCl
Finally we convert HCl moles into grams, using its molar mass:
- 0.048 mol HCl * 36.45 g/mol = 1.75 g HCl
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