Molar Mass & Mole Conversions

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6.68e23

380 g of sucrose (C₁₂H₂₂O₁₁) are required to make Kool-Aid. How many molecules of sucrose are used in this recipe? _molec

1200

Calculate the mass of 350 L of SO₃ at STP. Remember at STP, 1 mol=22.4 L. __g

0.502

Convert 17.1g of H₂S into moles. __mol

2.23e23

Find the number of atoms in 10.0g of Al. __atoms

41.9

How many grams of ammonia (NH₃) are in 2.46 mol of ammonia? __g

0.912

How many liters is 2.45e22 molec of NH₃? Remember at STP, 1 mol=22.4 L. __L

1.81e23

How many molecules of nitrogen are in 0.300 mol of nitrogen? __molec

19.9

How many moles of NH₃ are in 1.20x10²⁵ molecules of NH₃? __mol

2.15e26

If you pump 40.88 kg octane (C₈H₁₈) into your gas tank, how many molecules of octane are you pumping? __molec

3.38

There are 3.20e22 atoms of copper in the outer shell of a penny. How many grams of copper is this? _g

28.02

What is the molar mass of N₂? __g/mol

108.02

What is the molar mass of N₂O₅? __g/mol

17.04

What is the molar mass of ammonia (NH₃)? __g/mol

164.1

What is the molar mass of calcium nitrate? __g/mol

461.00

What is the molar mass of lead (II) iodide? __g/mol

114.26

What is the molar mass of octane (C₈H₁₈)? __g/mol

342.34

What is the molar mass of sucrose (C₁₂H₂₂O₁₁)? _g/mol

1.51

You have 121 g of SO₃. How many moles is this? __mol

1.5e24

You need 2.5 mol of aluminum. How many atoms of aluminum is this? _atoms

67.45

You need 2.5 mol of aluminum. How many grams of aluminum is this? _g


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