Chemistry Practice Problems Gas Stoichiometry Practice Problems Solution: Consider 2 Al (s) + 6 HCl (ℓ) → 2 AlCl3 (s) + 3 H2...

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Solution: Consider 2 Al (s) + 6 HCl (ℓ) → 2 AlCl3 (s) + 3 H2 (g) the reaction of 4.5 mol Al with excess HCl to produce hydrogen gas. What is the pressure of H2(g) if the hydrogen gas collected occupies 14L at 300K? 1. 0.0763 atm 2. 0.233 atm 3. 5.28 atm 4. 7.9 atm 5. 11.9 atm 6. 1.07 atm

Problem

Consider 2 Al (s) + 6 HCl (ℓ) → 2 AlCl(s) + 3 H(g) the reaction of 4.5 mol Al with excess HCl to produce hydrogen gas. What is the pressure of H2(g) if the hydrogen gas collected occupies 14L at 300K?

1. 0.0763 atm

2. 0.233 atm

3. 5.28 atm

4. 7.9 atm

5. 11.9 atm

6. 1.07 atm