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Anestetic [448]
3 years ago
13

What is the mass of a cube of aluminum 5.0 cm on each edge of the density of aluminum is 2.7 g/cm3?

Chemistry
1 answer:
Lisa [10]3 years ago
4 0
D - density: 2,7 g/cm³
V - volume: 5×5×5 = 125 cm³
m - mass: ???
_______
d = m/V
m = V×d
m = 125×2,7
m = 337,5 g Al

:•)
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The molecular mass of a substance is defined as the mass of how many molecules of the substance
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<h3>Answer:</h3>

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<h3>Explanation:</h3>

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The relation between Moles, Number of Particles and Avogadro's Number is given as,

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Putting values,

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As we know that one mole of any Ideal gas at standard temperature and pressure occupies exactly 22.4 dm³ volume.

When 1 mole gas occupies 22.4 dm³ at STP then the volume occupied by 0.50 moles of gas is calculated as,

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                      = 11.2 dm³                                       ∴ 1dm³ = 1 L

So,

                                      Volume  = 11.2 L

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