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Troyanec [42]
2 years ago
12

How is mass calculated given density and volume?

Chemistry
1 answer:
KonstantinChe [14]2 years ago
4 0

Taking into account the definition of density, mass can be calculated as the multiplication between density and volume.

<h3> Density</h3>

Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.

In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.

Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

density= mass÷ volume

From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

<h3>Mass given density and volume</h3>

In this case, you know the density and volume of a compound.

From the definition of density, you can calculate mass as follows:

<u><em>mass= density ×volume</em></u>

In summary, mass can be calculated as the multiplication between density and volume.

Learn more about density:

brainly.com/question/952755

brainly.com/question/1462554

#SPJ1

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Explanation:

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3 years ago
How many ions are present in 75.0g of magnesium sulfate
Ostrovityanka [42]

Answer:

7.5×10²³ ions

Explanation:

Given data:

Mass of magnesium sulfate = 75.0 g

Number of ions = ?

Solution:

Number of moles of magnesium sulfate:

Number of moles = mass/molar mass

Number of moles = 75.0 g/ 120.36 g/mol

Number of moles = 0.623 mol

Magnesium sulfate formula: MgSO₄

Number of moles of ions in 1 mole of MgSO₄ = 2 mol (Mg²⁺ and SO₄²⁻)

Number of moles of ion in 0.623 moles of MgSO₄:

2 mole ×0.623 = 1.246 mol

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1 mole contain 6.022×10²³ ions

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7.5×10²³ ions

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Explanation:

i believe this is right. my bad if its not

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