Question

The density of mercury is 13.6gm/cm3. Determine the mass of 5L of mercury in kilogram.​

Answer 1

Explanation:

● Given :

☆ Dencity = 13.6gm/cm³

= 13600 kg/dm³

☆ Volume = 5 L

= 5 Dm³

● To Find :

☆ Mass = ?

● Formula :

☆ Mass = Volume X Dencity

● Solution :

☆ Mass = Volume X Dencity

= 5 X 13600

= 68000 kg

♡ Mass = 68000 kg.

● Answer : 68000 kg

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Answer 2

The mass of 5L of mercury in kilogram is 68 kg.

Given that the density of mercury is 13.6gm/cm³.

We need to find the mass of 5L of mercury in kg unit.

The ratio of an object's mass to its volume is the definition of density, which is a scalar quantity with magnitude.

To put it another way, it indicates the mass of an object per unit volume.

∴ $density = \frac{mass}{volume}$

⇒ mass = density x volume

             = 13600 kg/m³ x $\frac{5}{10^3}$ m³

             = 13.6 x 5

             = 68 kg

ie, the mass of 5L of mercury in kilogram is 68 kg.

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