Mole <-> Particles
Molar Mass
Moles <-> Volume
Moles <-> Moles
Larger conversions
100
How many particles are in a mole?
What is 6.02 x 10^23
100

The mass of a mole of NaCl is the ____. a.molar mass b.mass c. atomic mass d.gram atomic mass

What is "a: molar mass"

100

At standard temperature and pressure (STP), one mole of any ideal gas occupies this volume.

What is 22.4 L?

100

In the reaction 2H₂ + O₂ → 2H₂O, this is the number of moles of water produced from 2 moles of hydrogen gas (assuming excess oxygen).

What is 2 moles of H₂O?

100

How many grams of silver atoms are in 1.8 x 1020 atoms of silver?

What is 3.2 x10-2 grams of silver

200

How many moles of tungsten atoms are in 4.8 x 1025 atoms of tungsten?

What is 8.0 x101 moles of tungsten atoms?

200

What is the molar mass of AuCl3?

What is 303.6g of AuCl3

200

If you have 2.0 moles of oxygen gas, this is the volume it occupies at STP.

What is 44.8 L?

200

In the reaction N₂ + 3H₂ → 2NH₃, this is the number of moles of hydrogen required to completely react with 1 mole of nitrogen.

What is 3 moles of H₂?

200

What is the number of atoms of beryllium atoms in 36 g of Be?

What is 2.41 x 1024 atoms Be

300
How many atoms are in 0.075 mol of titanium?
What is 4.5 x 10^22 atoms
300

What is the molar mass of (NH4)2CO3 ?

What is 96g

300

At STP, a sample of gas occupies 11.2 L. Using the molar volume of a gas, this is the number of moles of gas present.

What is 0.50 mol?

300

In the reaction 2KClO₃ → 2KCl + 3O₂, this is the number of moles of oxygen gas produced from 4 moles of potassium chlorate.

What is 6 moles of O₂?

300

How many atoms of Br are in 5.0 grams of CaBr ?

What is 1.51 x 1022 atoms

400

How many molecules are in 2.10 mol CO2 ?

What is 1.26 x 1024  molecules of CO2

400

What is the mass in grams of 5.90 mol C8H18?

What is 673g

400

At STP, a sample contains 3.5 moles of nitrogen gas. This is the volume of the gas in liters.

What is 78.5 L?

400

In the reaction C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, this is the number of moles of carbon dioxide produced when 2 moles of propane react completely.


What is 6 moles of CO₂?

400

In the reaction 2H₂ + O₂ → 2H₂O, a chemist starts with 6.0 moles of hydrogen gas and excess oxygen. After using the mole ratio and converting the product to mass, this is the total mass of water produced.

What is 108 grams of H₂O?

500

How many atoms are in 3.5 moles of arsenic atoms?

What is 2.1 x 1024 atoms of arsenic

500

What is the number of moles in 432 g Ba(NO3)2 ?

What is 1.65 mol?

500

A gas sample has a volume of 67.2 L at STP. Using the molar volume relationship, this is the number of moles of gas present.

What is 3.0 moles?

500

In the reaction 2Al + 3Cl₂ → 2AlCl₃, this is the number of moles of aluminum chloride produced when 9 moles of chlorine gas react completely with excess aluminum.

What is 6 moles of AlCl₃?

500

In the reaction C₂H₆ + 3.5O₂ → 2CO₂ + 3H₂O, a sample contains 30.0 g of ethane (C₂H₆) and excess oxygen. After converting mass to moles, using the mole ratio, and converting to gas volume at STP, this is the volume of CO₂ produced.

What is 44.8 liters of CO₂?

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