Author Question: How many liters of chlorine gas at 25C and 0.950 atm can be produced by the reaction of 12.0 g of ... (Read 51 times)

blkth103 · **on:** Nov 5, 2023

Question 1

How many atoms of He gas are present in a 450 mL container at 35°C and 740 mmHg?
◦ 0.017 He atoms
◦ 0.068 He atoms
◦ 1.2 x 10⁵ He atoms
◦ 1.0 x 10²² He atoms
◦ 7.9 x 10²⁴ He atoms

Question 2

How many liters of chlorine gas at 25°C and 0.950 atm can be produced by the reaction of 12.0 g of MnO₂ with excess HCl(aq) according to the following chemical equation?
MnO₂(s) + 4HCl(aq) → MnCl₂(aq) + 2H₂O(l) + Cl₂(g)
◦ 5.36 × 10^-3 L
◦ 0.138 L
◦ 0.282 L
◦ 3.09 L
◦ 3.55 L

Afvelasquez · **Reply #1 on:** Nov 5, 2023

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