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The volume of helium in a blimp is 6. 28 × 109 milliliters. The density of helium in the blimp is 0. 1786. Find the mass of the helium in the blimp. (Hint: 1,000 L = 1 cubic meter. ) A. 1,120 kg B. 1. 12 kg C. 3. 52 × 107 kg D. 2,840 kg.

Sagot :

Density is defined as the ratio of the mass per unit volume. Its unit is kg/m³. the mass of the helium in the blimp is 1.22 × 10⁻³ kg.

What is density?

Density is defined as the mass per unit volume. It is an important parameter in order to understand the fluid and its properties. Its unit is kg/m³.

The mass and density relation is given as

mass = density × volume

The given data in the problem as ;

v is the volume of gas=-6.28 × 109 ml =6.8452 × 10⁻³ cubic centimeter

ρ is the density = 0.1786 kg/cm³

m is the mass of helium gas =?

The mass and density relation is given as

mass = density × volume

m=ρv

m=0.1786 ×( 6.8452 × 10⁻³)

m=1.22 × 10⁻³ kg

Hence the mass of the helium in the blimp is 1.22 × 10⁻³ kg.

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