How many moles of chloride ions are there in 2 moles of calcium chloride?

Chemistry

1 answer:

Oksana_A [137]3 years ago

6 0

Answer:

There are 4 moles of chloride ions in 2 moles of calcium chloride.

Explanation:

Start by writing the chemical formula of calcium chloride.

The suffix -ide in chloride means that chlorine is working as the ion Cl⁻, this is with oxidation state -1.

Calcium, being an alkaline earth metal, uses oxidation state +2, Ca²⁺

Then, two atoms of Cl are combined with one atom of calcium, because in this way each Cl atom will accept one electron from a Ca atom, which will donate its two valence electrons.

That is indicated in the chemical formula with subscripts: CaCl₂, meaning that each formula-unit of calcium chloride has 2 ions of chlorine and 1 ions of calcium, or twice the number of moles of chloride ion.

1 mol CaCl₂ : 1 mol Ca⁺ : 2 mol Cl⁻

⇒ 2 mol CaCl₂ : 2 mol Ca⁺ : 4 mol Cl⁻

Hence, there are 4 moles of chloride ions in 2 moles of calcium chloride.

You might be interested in

Write an ionic equation for the reaction of acetic acid with sodium ethoxide, and specify whether the equilibrium favors startin

Elina [12.6K]

<h2>Acetic Acid + Sodium ethoxide ⇄ Butyric Acid + Sodium Hydroxide</h2>

Explanation:

An ionic equation for the reaction of acetic acid with sodium ethoxide is as follows -

Reactants -

Acetic Acid and Sodium ethanolate (sodium ethoxide)

Products -

Butyric Acid and Sodium hydroxide

Hence,

Acetic Acid + Sodium ethoxide ⇄ Butyric Acid + Sodium Hydroxide

$CH_3COOH + C_2H_5ONa$ ⇄ $CH_3COOC_2H_5 + NaOH$

Weak acids and bases have low energy than strong acids and bases.

The chemical equilibria shift the reaction side with the species having lower energy.

Given reaction is an acid-base reaction in which the equilibrium favors the starting material that means it will go to the side of the weakest acid that is acetic acid is weaker than butyric acid.

6 0

3 years ago

PLZ HELP THERE IS A FILE ATTACHED WILL GIVE U BRAINLIEST IF U HELP

erastovalidia [21]

Answer:

I think C (Might not be true)

Explanation:

6 0

4 years ago

Read 2 more answers

An organism's _______ describes its genetic composition. An organism's _______ describes its appearance or observable characteri

harina [27]