# What mass of K2CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration...

## Question:

What mass of {eq}K_2CO_3 {/eq} is needed to prepare 200 mL of a solution having a potassium ion concentration of 0.150 M?

## Ionic Compounds

Ionic compounds are a combination of a metal cation and a nonmetal anion which are held by electrostatic attraction. These compounds dissociate into ions when dissolved in water.

## Answer and Explanation: 1

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View this answerConsider the dissociation of potassium carbonate in water: {eq}\rm K_2CO_3 \to 2K^+ + CO_3^{2-} {/eq}

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Chapter 5 / Lesson 3Learn about ionic bond properties such as ionic structure and what ionic bonds look like. Understand the formation of ionic compounds and how to find the lattice energy of compounds.

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