Random
Atoms and Molecules
Volume
Molar Mass
Percent Composition
100

Approximately what percent of gum is comprised of sugar?

50%

100

What does a mole measure?

Representative particles within elements or compounds

100

What is the volume of 1 mole of Hydrogen at STP?

22.4 L

100

What is the Molar Mass of NaCl?

58.5 g/mol

100

What is the percent composition of H in HCl?

2.7%

200

Approximately what percent of gum is comprised of sugar?

10%

200

How many atoms are in 1 mole?

6.02*1023

200

What does STP stand for?

Standard Temperature and Pressure

200

What is the molar mass of CO2?

44 g/mol

200

What is the percent composition of Na in NaCl?

39.3%

300

Balance the following equation:

NH4NO3 -> N2O + H2O

NH4NO3 -> N2O + 2 H2O

300

How many particles are in one mole of CuBr2?

6.02*1023

300

What is the volume of 5 moles of Chloride at STP?

112 L

300

What is the molar mass of NaOH?

40 g/mol

300

What is the percent composition of Cu in CuBr2?

28.6%

400

What type of reaction is the following?

2 Al + 3 H2SO4 -> Al2(SO4)3 + 3 H2

Single Displacement

400

How many atoms are in 2 moles of Na?

12.04*1023 

400

At STP, what is the volume of 2 moles of Oxygen? 

44.8 L

400

What is the molar mass of CaBr2?

200 g/mol

400

What is the percent composition of Br in CuBr2?

71.4%

500

Balance the following equation: 

KClO3 -> KCl + O2

2 KClO3 -> 2 KCl + 3 O2

500

How many moles are in 18.06*1023 atoms of NaCl?

3 moles

500

How many moles are present in 224 L of Fluorine?

10 moles

500

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

68 g/mol

500

What is the percent composition of O in NaOH?

40%

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