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How many formula units are in 1.70 moles of NaCl?

Answer :

To find out how many formula units are in 1.70 moles of NaCl (sodium chloride), we can use Avogadro’s number, which is a fundamental constant in chemistry. Here’s a step-by-step explanation:

1. Understand Avogadro's Number: Avogadro’s number is [tex]\(6.022 \times 10^{23}\)[/tex]. This is the number of atoms, molecules, or formula units in one mole of any substance.

2. Identify What You Have: You are given 1.70 moles of NaCl.

3. Calculate the Number of Formula Units:
- Multiply the number of moles by Avogadro’s number to find the total number of formula units.
- So, you calculate as follows:
[tex]\[
1.70 \, \text{moles NaCl} \times 6.022 \times 10^{23} \, \text{formula units/mole}
\][/tex]

4. Result:
- After performing the multiplication, you find that there are approximately [tex]\(1.02374 \times 10^{24}\)[/tex] formula units in 1.70 moles of NaCl.

Therefore, there are about [tex]\(1.02374 \times 10^{24}\)[/tex] formula units in 1.70 moles of NaCl.

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