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adell [148]
3 years ago
14

An ate or ite at the end of a compound name usually indicates that the compound contains___________.

Chemistry
2 answers:
elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

The correct answer is option d. a polyatomic anion.

Explanation:

Hello! Let's solve this!

The ending "ate" or "ite" indicates that there is a negative polyatomic ion (polyatomic anion). This means that the termination of the name will indicate the valence number of the element, if the number used is the highest or the lowest.

An example is:

CO-3: is the carbonate ion

SO-4: is the sulfate ion

We conclude that the correct answer is option d. a polyatomic anion.

Ymorist [56]3 years ago
3 0

Answer:

D

Explanation:

According to IUPAC nomenclature, a negative polyatomic ion has its name ending in 'ate' or 'ite'

As in carbonate (CO3^2-)

Arsenite (AsO3-)

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How many chloride ions are in 2.6 moles of CaCl2?
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Answer:

31.31× 10²³ number of Cl⁻ are present in 2.6 moles of CaCl₂ .

Explanation:

Given data:

Number of moles of CaCl₂ = 2.6 mol

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Solution:

CaCl₂  → Ca²⁺ + 2Cl⁻

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.

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In 2.6 mol:

2.6×2 = 5.2 moles

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5.2 mol ×  6.022 × 10²³ number of Cl⁻  / 1mol

31.31× 10²³ number of Cl⁻

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2 years ago
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