Find the mass of a metal cylinder that has a volume of 652 cm and a density of 21.45 g/cm
1 answer:
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Answer: 0.25 mol
Explanation:
Use the formula n=N/NA
n= number of mols
N = number of particles
Nᵃ = Avogadros constant = 6.02 x
So, n=
The 10 to the power of 23 cancels out and you are left with 1.505/6.02, which is approximately 1/4. This is the same as 0.25 mol.
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.50 M KCl because 5% is the same as .05, which makes the .50M more concentrated.
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Answer:
The answer should be 1000 kg / m3
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