The Mole Sample Question Bank Flashcards

Vocabulary flashcards based on the mole concept, molar mass, Avogadro's number, and related calculations.

What is Mole defined as

The amount of a substance containing 6.02 x 10^23 entities.

Molar Mass of Copper(II) Sulfate Pentahydrate (CuSO4.5H2O)

249.6 g/mol

Moles of H in 3 moles of CuSO4.5H2O

30 moles

Carbon Atoms in 0.062 mol of Acetic Acid (CH3COOH)

7.5 x 10^22 atoms

Element with Molar Mass of 107.9 g/mol

Silver

Atoms Represented by Ca(NO3)2

9 atoms

Volume of a Mole of Ideal Gas at STP

22.4 L

Standard Temperature and Pressure (STP)

0°C and 101.3 kPa

0.00025 in Scientific Notation

2.5 x 10^-4

87.6 g of Aluminum Sulfate (Al2(SO4)3) as an Amount

0.256 mol

Amount of Chlorine in 102.5 g of Chlorine Gas

1.44 mol

Average Atomic Mass of Neon

20.179 u

Oxygen Atoms in 1.05 mol of CO2(g)

1.26 x 10^24 atoms

Hydrogen Atoms in One Molecule of Ascorbic Acid (Vitamin C, C6H8O6)

8 atoms

Formula Units in 1.56 mol of Potassium Permanganate (KMnO4)

9.39 x 10^23 formula units

Oxygen Atoms in 2.25 mol of Oxalic Acid (H2C2O4)

5.42 x 10^24 atoms

Moles in 3.97 x 10^25 Formula Units of Magnesium Chloride (MgCl2)

65.9 mol

Amount of Sulfur Trioxide (SO3) in 6.54 x 10^21 Molecules

0.0109 mol

Amount of Propane (C3H8) in 2.31 x 10^26 Carbon Atoms

127 mol

Moles of Butane (C4H8) with 3.97 x 10^22 Hydrogen Atoms

0.00824 mol

Molar Mass of Calcium Chloride (CaCl2)

110.98 g/mol

Compound Where 0.121 mol Has a Mass of 22.9 g

SnCl2(s)

Mass of 6.02 x 10^24 Formula Units of NaCl

584 g

Grams in 2.97 Moles of Ca3(PO4)2

921 g

Molar Mass of Perfluorooctanoic Acid (C7F15COOH/Teflon)

414 g/mol

Amount of Ba(NO3)2 with a Mass of 2.56 g

0.00980 mol

Amount of Propanoic Acid (C2H5COOH) with a Mass of 425 g

5.74 mol

Mass of ZnCl2 Sample with 2.56 x 10^24 Zn2+ Ions

579 g

Mass of ZnCl2 Sample with 2.56 x 10^24 Chloride Ions

289 g

SI Unit for Gas Pressure Measurement

kPa

volume of 2.5 mol of NH3(g) at STP

is 56.0 L

Amount of CH4(g) Occupying 38.9 L at STP

1.74 mol

Litres Represented by 0.357 g of Helium at STP

2.00 L

Mass of Acetylene Gas (C2H2) Occupying 10.0 L

11.6 g

Molecules in 48.2 L of Benzene (C6H6) at STP

1.29 x 10^24 molecules

Fluorine Atoms in 23.9 L of Halothane (C2HBrClF3)

1.93 x 10^24 atoms

Mass of Nitrogen Corresponding to 35 L of Nitrogen Gas

44 g

Volume Occupied by 4.03 x 10^23 Molecules of Hydrogen Gas at STP

15.0 L

Volume at STP Occupied by CHF2 Gas Containing 1.35 x 10^24 Fluorine Atoms

25.1 L

Molecule with greatest Volume at the same Temperature and Pressure

34.15 g of NH3(g)

Total Volume of Container at STP with 1 mol CH4(g) and 2 mol O2(g)

67.2 L

Total Volume of Container at STP with 2.00 mol CO2, 2.56 g CH4, and 5.67 x 10^24 Nitrogen Atoms

154 L

Molar Mass of Unknown Compound Occupying 0.950 L at STP

160. g/mol

0.5 mol of C, Na and Ar to atoms

3.01 x 10^23 Atoms

Molecules of Hydrogen Peroxide in 3.15 mol of H2O2

1.90 x 10^24 molecules

Hydrogen Atoms in 0.791 mol of Ammonia (NH3)

1.43 x 10^24 atoms

Mass of 6.3 mol of Substance with Molar Mass 98.2 g/mol

6.2 x 10^2 g

Moles of Molecules in 71.6 g of Methane (CH4)

4.48 mol

Total Atoms in 3.75 mol of Ammonium Nitrate (NH4NO3)

2.03 x 10^25 atoms

Moles Converted from 2.20 kg of Sodium Phosphate

13.4 mol

Mass Found in 0.10 mol of KHC4H4O6

19 g

Molar Mass if Daily Dosage is Equivalent to 5.0 x 10^-4 moles

200 g/mol

Converting 4.8 x 10^-2 mol of Ammonium Hydroxide (NH4OH) into Mass

1.7 g

Hydrogen Atoms in 100.0 mol of Octane (C8H18)

1.084 x 10^27 atoms

Molecules in 0.87 mol of Carbon Monoxide

5.2 x 10^23 molecules

28.0 g of Iron has Approximately the Same Number of Atoms as…

2.0 g of He

Oxygen Atoms in 198.0 g of Calcium Phosphate (Ca3(PO4)2)

3.074 x 10^24 atoms

Converting 153.0 g of Mg(CN)2 into Moles

2.00 mol