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Chapter 7: Problem 8

What conversion factor do you use in converting number of moles into number of formula units?

Short Answer

Expert verified
Avogadro's constant of \(6.022 \times 10^{23}\) formula units/mole acts as the conversion factor for converting number of moles into number of formula units.

Step by step solution

01

Recognizing Avogadro's constant

In the field of chemistry, one mole of any substance contains \(6.022 \times 10^{23}\) entities (atoms, molecules, ions etc.) of that substance. This numerical value is famously known as Avogadro's constant, designated by the letter \(N\). This is the conversion factor that will allow us to translate from moles to formula units.
02

Conversion process

To convert from moles to formula units, it is required to multiply the quantity in moles by Avogadro’s constant. The formula is:\n\[ \text{Number of formula units} = \text{Number of moles} \times N \]

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Most popular questions from this chapter

Chlorine gas is a diatomic molecule, \(\mathrm{Cl}_{2}\) . There are 6.00 \(\mathrm{mol}\) of chlorine atoms in a sample of chlorine gas. How many moles of chlorine gas molecules is this?

a. How many formula units are there in a 3.12 mol sample of MgCl_ \(?\) b. How many Cl- ions are there in the sample?

What percentage of ammonium carbonate, \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3},\) an ingredient in smelling salts, is the ammonium ion, \(\mathrm{NH}_{4}^{+} ?\)

How many atoms of Fe are in the formula \(\mathrm{Fe}_{3} \mathrm{C} ?\) How many moles of Fe are in one mole of \(\mathrm{Fe}_{3} \mathrm{C}\) ?

The empirical formula of the anticancer drug altretamine is \(\mathrm{C}_{3} \mathrm{H}_{6} \mathrm{N}_{2}\) . The experimental molar mass is 210 \(\mathrm{g} / \mathrm{mol} .\) What is its molecular formula?
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