{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

2

All of the following are equal to Avogadro's number EXCEPT ____.

the number of atoms of gold in 1 mol Au

the number of formula units of sodium fluoride in 1 mol NaF

the number of molecules in 1 mol of Nitrogen gas

the number of grams of bromine in 1 mol Br

2

The lowest whole-number ratio of the elements in a compound is called the ____.

2

1 mole CaCl₂ = 6.02 x10²³ ______

ions

formula units

atoms

molecules

2

1 mole N₂ = 6.02 x10²³ ______

ions

atoms

molecules

formula units

2

1 mole Cu = 6.02 x10²³ ______

formula units

ions

atoms

molecules

2

Law of conservation of mass states...

A list of elements organized according to the ease with which the elements undergo certain chemical reactions.

A starting material in a chemical reaction. On the left side of a chemical equation.

the percent by mass of each element in a compound

mass is neither created nor destroyed

2

Molar Mass is

The mass of 1 mole of any substance. Must use the periodic chart to obtain this value.

A chemical reaction that breaks down compounds into simpler products.

Burning. Oxygen gas is one of the reactants and water is one of the products.

number of representative particles in a mole, 6.02 X 10²³

2

What does avogadro's number tell us?

number of moles

number of grams

number of protons

number of particles

2

What information might be most useful for me to find molar mass?

number of protons

atomic mass

number of electrons

atomic number

2

What is Avogadro's number?

336

6.02*10²³

1,796

30

2

Avogadro's number of representative particles is equal to one ____.

kelvin

gram

mole

kilogram

2

What is the molar mass of methane(CH₄)?

4.032 g/mol

16.043 g/mol

12.011 g/mol

1.008 g/mol

6

Given 6.809 grams of N₂O₅ how many moles are in the sample?

6

Given 81.20 grams of CaF₂ how many formula units in the sample?

6

Given 5.012x10²⁴ atoms of silicon, how many grams of silicon are in the sample?

6

The molecular formula for ethyl alcohol is C₂H₅OH, what is the percent composition of hydrogen in ethyl alcohol?

6

What is the molar mass of acetic acid: HCH₃COOH?

6

In CaBr₂, what is the percent composition of bromine in the compound?

18

Match the corresponding item with the correct category label.

CaBr₂
Ag
Li₂O
C
Al₂O₃
NH₃
Sn
FeI₂
C₂H₅OH

atoms
molecules
formula units

Chapter 10 Test

Chapter 10 Test

All of the following are equal to Avogadro's number EXCEPT ____.

The lowest whole-number ratio of the elements in a compound is called the ____.

1 mole CaCl₂ = 6.02 x10²³ ______

1 mole N₂ = 6.02 x10²³ ______

1 mole Cu = 6.02 x10²³ ______

Law of conservation of mass states...

Molar Mass is

What does avogadro's number tell us?

What information might be most useful for me to find molar mass?

What is Avogadro's number?

Avogadro's number of representative particles is equal to one ____.

What is the molar mass of methane(CH₄)?

Given 6.809 grams of N₂O₅ how many moles are in the sample?

Given 81.20 grams of CaF₂ how many formula units in the sample?

Given 5.012x10²⁴ atoms of silicon, how many grams of silicon are in the sample?

The molecular formula for ethyl alcohol is C₂H₅OH, what is the percent composition of hydrogen in ethyl alcohol?

What is the molar mass of acetic acid: HCH₃COOH?

In CaBr₂, what is the percent composition of bromine in the compound?

Match the corresponding item with the correct category label.

All of the following are equal to Avogadro's number EXCEPT ____.

The lowest whole-number ratio of the elements in a compound is called the ____.

1 mole CaCl₂ = 6.02 x10²³ ______

1 mole N₂ = 6.02 x10²³ ______

1 mole Cu = 6.02 x10²³ ______

Law of conservation of mass states...

Molar Mass is

What does avogadro's number tell us?

What information might be most useful for me to find molar mass?

What is Avogadro's number?

Avogadro's number of representative particles is equal to one ____.

What is the molar mass of methane(CH₄)?

Given 6.809 grams of N₂O₅ how many moles are in the sample?

Given 81.20 grams of CaF₂ how many formula units in the sample?

Given 5.012x10²⁴ atoms of silicon, how many grams of silicon are in the sample?

The molecular formula for ethyl alcohol is C₂H₅OH, what is the percent composition of hydrogen in ethyl alcohol?

What is the molar mass of acetic acid: HCH₃COOH?

In CaBr₂, what is the percent composition of bromine in the compound?

Match the corresponding item with the correct category label.

Chapter 10 Test

Chapter 10 Test

All of the following are equal to Avogadro's number EXCEPT ____.

The lowest whole-number ratio of the elements in a compound is called the ____.

1 mole CaCl₂ = 6.02 x1023 ______

1 mole N₂ = 6.02 x1023 ______

1 mole Cu = 6.02 x1023 ______

Law of conservation of mass states...

Molar Mass is

What does avogadro's number tell us?

What information might be most useful for me to find molar mass?

What is Avogadro's number?

Avogadro's number of representative particles is equal to one ____.

What is the molar mass of methane(CH4)?

Given 6.809 grams of N2O5 how many moles are in the sample?

Given 81.20 grams of CaF2 how many formula units in the sample?

Given 5.012x1024 atoms of silicon, how many grams of silicon are in the sample?

The molecular formula for ethyl alcohol is C2H5OH, what is the percent composition of hydrogen in ethyl alcohol?

What is the molar mass of acetic acid: HCH3COOH?

In CaBr2, what is the percent composition of bromine in the compound?

Match the corresponding item with the correct category label.

All of the following are equal to Avogadro's number EXCEPT ____.

The lowest whole-number ratio of the elements in a compound is called the ____.

1 mole CaCl₂ = 6.02 x1023 ______

1 mole N₂ = 6.02 x1023 ______

1 mole Cu = 6.02 x1023 ______

Law of conservation of mass states...

Molar Mass is

What does avogadro's number tell us?

What information might be most useful for me to find molar mass?

What is Avogadro's number?

Avogadro's number of representative particles is equal to one ____.

What is the molar mass of methane(CH4)?

Given 6.809 grams of N2O5 how many moles are in the sample?

Given 81.20 grams of CaF2 how many formula units in the sample?

Given 5.012x1024 atoms of silicon, how many grams of silicon are in the sample?

The molecular formula for ethyl alcohol is C2H5OH, what is the percent composition of hydrogen in ethyl alcohol?

What is the molar mass of acetic acid: HCH3COOH?

In CaBr2, what is the percent composition of bromine in the compound?

Match the corresponding item with the correct category label.

1 mole CaCl₂ = 6.02 x10²³ ______

1 mole N₂ = 6.02 x10²³ ______

1 mole Cu = 6.02 x10²³ ______

What is the molar mass of methane(CH₄)?

Given 6.809 grams of N₂O₅ how many moles are in the sample?

Given 81.20 grams of CaF₂ how many formula units in the sample?

Given 5.012x10²⁴ atoms of silicon, how many grams of silicon are in the sample?

The molecular formula for ethyl alcohol is C₂H₅OH, what is the percent composition of hydrogen in ethyl alcohol?

What is the molar mass of acetic acid: HCH₃COOH?

In CaBr₂, what is the percent composition of bromine in the compound?

1 mole CaCl₂ = 6.02 x10²³ ______

1 mole N₂ = 6.02 x10²³ ______

1 mole Cu = 6.02 x10²³ ______

What is the molar mass of methane(CH₄)?

Given 6.809 grams of N₂O₅ how many moles are in the sample?

Given 81.20 grams of CaF₂ how many formula units in the sample?

Given 5.012x10²⁴ atoms of silicon, how many grams of silicon are in the sample?

The molecular formula for ethyl alcohol is C₂H₅OH, what is the percent composition of hydrogen in ethyl alcohol?

What is the molar mass of acetic acid: HCH₃COOH?

In CaBr₂, what is the percent composition of bromine in the compound?