A metal is found that has a mass of 27g and will displace 6mL of water. Calculate its density and identify the metal.
1 answer:
The density of metal = 4.5 g/ml, and the metal = Titanium
<h3>Further explanation </h3>Density is a quantity derived from the mass and volume
Density is the ratio of mass per unit volume
Density formula:
ρ = density
m = mass
v = volume
mass of metal=27 g
volume = 6 ml
The density :
The metal with a density of 4.5 g/ml is Titanium
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Answer:
1.48×10²⁴ Cu atoms
Explanation:
For this question you need to use Avogadro's number 6.022×10²³atoms.
2.45 moles of Cu ×= 1.47539×10²⁴ atoms.
The moles cancel out so you are left with atoms.
Since there are 3 significant figures in the question there should be 3 significant figures in your answer, which is 1.48×10²⁴ Cu atoms.