Moles of K = 32.4/39 = 0.83 mole. According to stoichiometry, 2 moles of K produces 1mole of H2. Therefore, 0.83 mole of K produces = 0.83/2 = 0.415 moles of H2. Therefore number molecules of H2 = moles of H2 x 6.02 x 10^23 = 2.4983 x 10^23 molecules. Hope this helps!
Answer:
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Answer:
I don't think so
Explanation:
The equation doesn't look balanced
Answer:
179.4 g of oyxgen will be produced.
Option 2.
Be careful because the units says L instead of g
Explanation:
Decomposition reaction:
2KClO₃ → 2KCl + 3O₂
2 moles of chlorate can decompose to 2 moles of chloride and 3 moles of oxygen.
We convert the mass to moles, and then we make the rule of three:
458 g / 122.55 g/mol =3.74 moles of chlorate
2 moles of chlorate can produce 3 moles of oxygen
Then, 3.74 moles of chlorate may produce (3.74 .3) / 2 = 5.60 moles of O₂
We convert the moles to mass → 5.60 mol . 32 g / 1mol = 179.4 g
55 miles/1 hour(1.61 km/1 mile)(1000 meters/1km)=88550 meters per hour
88550 meters/1 hour(1 hour/60 minutes)(1 minute/60 seconds)
=24.5972 meters per second