# If the molar concentration of sodium carbonate (Na_2CO_3) is 2.5 mM (millimolar), what is the...

## Question:

If the molar concentration of sodium carbonate {eq}\rm (Na_2CO_3) {/eq} is {eq}\rm 2.5\ mM {/eq} (millimolar), what is the mass concentration of {eq}\rm Na_2CO_3 {/eq} (in {eq}\rm mg/L {/eq})? For the same molar concentration, what is the mass concentration of {eq}\rm Na^+ {/eq}?

## What is a Mole?:

The mole is a unit. It is composed of {eq}6.02\times 10^{23} {/eq} particles. This number is known as Avogadro's number. The mole allows conversion from atomic mass units (amu) to grams of substance because 1 amu is the inverse of this number, {eq}1.66\times 10^{-24} g {/eq}

## Answer and Explanation: 1

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View this answerThe concentration of the sodium carbonate can be converted from millimoles per liter to milligrams per liter by multiplying by the molar mass of...

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Chapter 4 / Lesson 8Learn how to convert grams to moles and moles to grams, including the formula to convert grams to moles. See examples of how to find moles from grams.

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