5. What is the mass (kg) of a 1.25 L sample of saturated brine solution with a density of 1.45 kg/L at 25 °C?

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09-09-2021
Chemistry

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5. What is the mass (kg) of a 1.25 L sample of saturated brine solution with a density of 1.45 kg/L at 25 °C?

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Eduard22sly Eduard22sly · Answer 1 · 2021-09-17T13:01:08+02:00

The mass of the brine solution is 1.8125 Kg

The density of a subtance can be defined as the mass of the subtance per unit volume of the substance. Mathematically, the density of a subtance can be expressed as:

Density = mass / volume

With the above formula, we can calculate the mass of the brine solution as follow:

Volume of brine = 1.25 L

Density of brine = 1.45 kg/L

Mass of brine =?

Density = mass /volume

1.45 = mass / 1.25

Cross multiply

Mass = 1.45 × 1.25

Mass of brine = 1.8125 Kg

Therefore, the mass of the brine solution is 1.8125 Kg

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