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2 years ago

If I have a cube with a mass of 24g and a volume of 6cm3, what will be the density of the cube?

Chemistry

1 answer:

Yuliya22 [10]2 years ago

5 0

Answer = 4g/cm³

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2 years ago

The molecular weight of a gas that has a density of 5.75 g/l at stp is __________ g/mol.

Ira Lisetskai [31]

Answer : The molecular weight of a gas is, 128.9 g/mole

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Density of a gas = 5.75 g/L

First we have to calculate the moles of gas.

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So, 1 liter volume of gas present in $\frac{1}{22.4}=0.0446$ mole of gas

Now we have to calculate the molecular weight of a gas.

Formula used :

$\text{Moles of gas}=\frac{\text{Mass of a gas}}{\text{Molecular weight of a gas}}$

Now put all the given values in this formula, we get the molecular weight of a gas.

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2 years ago

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Explanation:

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