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Biblioteka

Warm-Up 14 - Mass to Moles to Particles Calculations

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Posljednje ažuriranje over 1 year ago
2 questions
Napomena autora:

Molar mass tells us how much a mole of something weighs. A mole contains 6.02 x 1023 of particles.

One element = atom

Anything with a charge = ion

Compound with only non-metals = molecule

Compound with metal and nonmetal (salt) = formula unit

Molar mass tells us how much a mole of something weighs. A mole contains 6.02 x 1023 of particles.

One element = atom

Anything with a charge = ion

Compound with only non-metals = molecule

Compound with metal and nonmetal (salt) = formula unit

1
Pitanje 1
1.

The molecule below represents propane. The red atoms are carbon and the blue atoms are hydrogen. There are no hidden atoms.

A full gas grill tank contains approximately 9.00 Kg of propane. There are 1000 grams in a kilogram.

1. There are moles of propane in a full propane tank. Answer in 3 sig figs

2. There are molecules of propane in this tank. Answer in 2 sig figs.

1
Pitanje 2
2.

Match the chemical substance with the type of particle.

  • ZnCO3

  • Calcium chloride

  • Dinitrogen tetroxide

  • Ba2+

  • Fe

  • C2H3O2

  • Chlorine

  • Sulfate

  • Formula Unit

  • Molecule

  • Ion

  • Atom