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ruslelena [56]
3 years ago
10

A balloon contains 5470cm3 of gas and has a mass of 10.24g. The mass of the empty balloon is2.42g. What is the density of the ga

s.
Chemistry
2 answers:
kow [346]3 years ago
7 0
Density is the mass of substance per unit volume of a substance. to solve the problem, first calculate the mass of the gas.
mass gas = ( mass of balloon with gas ) - ( mass of balloon )
mass gas = 10.24 g - 2.42 g
mass gas = 7.82 g

so the density
density = m / v = 7.82 g / 5470 cm3
density = 0.00145 g / cm3
Eddi Din [679]3 years ago
5 0

<u>Answer:</u> The density of gas is 1.43\times 10^{-3}g/cm^3

<u>Explanation:</u>

We are given:

Mass of empty balloon, m_1 = 2.42 g

Mass of balloon with gas, m_2 = 10.24 g

Mass of gas = m_2-m_1=10.24-2.42=7.82g

To calculate density of a substance, we use the equation:

\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}

We are given:

Mass of gas = 7.82 g

Volume of gas = 5470cm^3

Putting values in above equation, we get:

\text{Density of gas}=\frac{7.82g}{5470cm^3}\\\\\text{Density of gas}=1.43\times 10^{-3}g/cm^3

Hence, the density of gas is 1.43\times 10^{-3}g/cm^3

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