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Molar Mass
Conversions
Stoichiometry
Molarity
Flashback
100
It is the molar mass of water.
What is 18 g/mole?
100
It is the number of molecules in 2.0 moles of oxygen.
What is 2* 6.02 X 10^23 = 1.2 X 10^24 ?
100
All stoichiometric ratios are based on these.
What are moles?
100

It is the unit of molarity.

What is mol/L?

100

The bond between a metal and non-metal.

What is an ionic bond?

200
It is the term used to describe the mass of one mole of a substance.
What is molar mass?
200
It is the number of grams found in 4 moles of water?
What is 72?
200
If 2 H2O --> 2 H2 + O2, it is the number of H2 moles accompanying the production of 0.25 moles of O2.
What is 0.5?
200

It is the another way of writing mol/L.

What is M?

200

It is a diatomic with a triple covalent bond.

What is nitrogen?

300
It is the molar mass of H2SO4.
What is 98 g/mole?
300
It is the number of moles represented by 0.5 g of H2.
What is 0.25 moles?
300
It is the number of grams of water produced when 1 mole of KMnO4 reacts: 2 KMnO4 + 16 HCl --> 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
What is 72 g?
300

It is the molarity of 58.44 g of table salt dissolved in 500 mL of water.

What is 2 M?

300

It is the chemical name for HCO3

What is hydrogen carbonate?

400
It is the molar mass of Ca3(PO4)2.
What is 310 g/mole?
400
It is the number of atoms in 1 molecule of O3?
What is 3?
400
If 2 KMnO4 + 16 HCl --> 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2, then it is the number of molecules of chlorine produced after 8 moles of HCl react.
What is 2.5 * 6.02 X 10^23 or 1.51 X 10^24 molecules?
400

500 mL of a 2 M of NaOH neutralized by enough HCl would produce this many grams of water.

What is 18.02 g?

400

It is the compound formed when calcium reacts with carbonate.

What is CaCO3?

500
It is the isotope on which the atomic masses of all other elements are based.
What is carbon 12?
500
It is the expression used to find the mass of 1 molecule of water.
What is 18g/mole divided by 6.02 X 10^23 molecules?
500
It is the characteristic property that must be used when solving a stoichiometry problem involving the volume of a pure liquid?
What is density?
500

It is the number of water molecules produced by the neutralization of 4 moles of Mg(OH)2 by 4 moles of H2SO4.

What is 8?

500
It is the charge of the polyatomic ion in Ca2X.
What is -4?