Converting Between Grams and Moles (Part 2) | Summary and Q&A

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June 23, 2014
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Tyler DeWitt
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Converting Between Grams and Moles (Part 2)

TL;DR

This video explains how to convert between moles and grams using the molar mass.

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Key Insights

  • 💆 The molar mass is calculated by adding up the molar masses of each element in a compound.
  • 💆 To convert moles to grams, multiply the number of moles by the molar mass.
  • 💆 To convert grams to moles, divide the number of grams by the molar mass.
  • 🤔 The math for converting between moles and grams is the same, whether using the thinking it through method or the conversion factor method.
  • 🧑‍🏭 The conversion factor for converting moles to grams is the molar mass.
  • 💆 The molar mass tells us how much one mole of a substance weighs.
  • #️⃣ The number of moles can be determined by dividing the number of grams by the molar mass.

Transcript

This video is converting between grams and moles part 2. I'm going to do a couple more practice problems on this stuff. If you haven't yet seen the first video you might want to go check that out first and then come back and watch this. What is the mass in grams of 0.850 moles of Sulfur dioxide (SO2)? Okay, moles and grams. The first thing you shou... Read More

Questions & Answers

Q: How do you calculate the molar mass of a compound?

The molar mass of a compound is calculated by adding up the molar masses of each element in the compound. Multiply the number of atoms of each element by its molar mass and sum them together.

Q: Why is the molar mass important in converting between moles and grams?

The molar mass is important because it tells us how much one mole of a substance weighs. By knowing the molar mass, we can convert between moles and grams using a conversion factor.

Q: What is the conversion factor for converting moles to grams?

The conversion factor for converting moles to grams is the molar mass. Multiply the number of moles by the molar mass to get the mass in grams.

Q: How can I convert grams to moles?

To convert grams to moles, divide the number of grams by the molar mass. This will give you the number of moles of the substance.

Summary & Key Takeaways

  • The video discusses converting moles to grams and grams to moles using the molar mass.

  • The molar mass is calculated by adding up the molar masses of each element in a compound.

  • To convert moles to grams, multiply the number of moles by the molar mass. To convert grams to moles, divide the number of grams by the molar mass.

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