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Ivahew [28]
3 years ago
9

How many formula units are in 9.039 moles of sodium chloride

Chemistry
1 answer:
hodyreva [135]3 years ago
7 0

Answer:

5.443 formula units

Explanation:

use avagadro's number: 1 mole = 6.022 ×10^{23} particles (in this case formula units)

number of mole × 6.022 ×10^{23} = number of particles

9.039 moles × 6.022 ×10^{23} = 5.443 × 10^{24} formula units

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7 0
3 years ago
Consider the following chemical reaction:
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Answer:

B. 1.65 L

Explanation:

Step 1: Write the balanced equation

2 SO₂(g) + O₂(g) ⇒ 2 SO₃(g)

Step 2: Calculate the moles of SO₂

The pressure of the gas is 1.20 atm and the temperature 25 °C (298 K). We can calculate the moles using the ideal gas equation.

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Step 3: Calculate the moles of SO₃ produced

0.0736 mol SO₂ × 2 mol SO₃/2 mol SO₂ = 0.0736 mol SO₃

Step 4: Calculate the volume occupied by 0.0736 moles of SO₃ at STP

At STP, 1 mole of an ideal gas occupies 22.4 L.

0.0736 mol × 22.4 L/1 mol = 1.65 L

6 0
2 years ago
Write in scientific form<br> 0.00580 → <br><br> 3000 → <br><br> 0.000908 → <br><br> 200. →
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Answer:

Explanation:

0.00580=5.8*10^-3

3000=3.0*10^3

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