Practice Relationship Between Mass, Moles, And Number Of Particles (5.3)

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6 sample questions

Question 1.
What is a mole?
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Think about the definition and what it represents.
Question 2.
What is the formula to find the moles from a mass?
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Focus on the relationship between mass and molar mass.
3Question 3.
What is Avogadro's number?
- 6.022×10²³
- 3.14
- 1.67×10²³
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Recall the definition of a mole.
4Question 4.
The molar mass of carbon dioxide is 44 g/mol. How many grams are in 3 moles?
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Consider how to convert moles to grams.
Question 5.
Calculate the mass in grams of 5 moles of sulfuric acid (H₂SO₄) given its molar mass is 98 g/mol.
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Apply the formula for mass.
Question 6.
You have 10 grams of nitrogen gas (N₂). How many moles and particles do you have? (Molar mass of N₂ is 28 g/mol)
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Start by calculating moles, then convert to particles.

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