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2 years ago

Solid calcium oxide reacts with sulfur trioxide gas to produce solid calcium sulfate

Chemistry

1 answer:

antiseptic1488 [7]2 years ago

5 0

Answer: The chemical equation for the given reaction is given below.

Explanation:

When solid calcium oxide reacts with sulfur trioxide gas to produce solid calcium sulfate, the chemical equation follows:

$CaO(s)+SO_3(g)\rightarrow CaSO_4(s)$

This is the reaction when a metal oxide reacts with non-metal oxide to produce a salt.

By Stoichiometry of the reaction:

1 mole of solid calcium oxide reacts with 1 mole of sulfur trioxide gas to produce 1 mole of solid calcium sulfate.

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What is the mass, in grams, of 122 atoms of aluminum? Round your answer to proper significant figures.

tangare [24]

Answer:

Mass = 547.02 × 10⁻²³g

Explanation:

Given data:

Number of atoms of Al = 122 atom

Mass in gram = ?

Solution:

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance. The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

122 atom/6.022 × 10²³ atoms × 1 mol

20.26× 10⁻²³ mol

Mass in gram:

Mass = number of moles × molar mass

Mass = 20.26× 10⁻²³ mol × 27 g/mol

Mass = 547.02 × 10⁻²³g

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2 years ago

How many liters of CO2 are in 4.76 moles? (at STP)

dem82 [27]

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Explanation:

We are given:

Moles of carbon dioxide = 4.76 moles

At STP:

1 mole of a gas occupies a volume of 22.4 Liters

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2 years ago

30. In a common experiment in the general chemistry laboratory, magnesium metal is heated in air to produce MgO. MgO is a white

grigory [225]

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Explanation:

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olga2289 [7]

Answer:

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