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MOLAR MASS EXAMS COMPILATION BUNDLE 2024/2025
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[ Mehr anzeigen ]Amplitude 
The maximum distance that the particles of a wave's medium vibrate from their rest position 
 
 
 
Wavelength 
The distance from any poiont on a wave to an identical point on the next wave 
 
 
 
Frequency 
The number of waves produced in a given amount of time. 
 
 
 
Reflection 
The bo...
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In den EinkaufswagenAmplitude 
The maximum distance that the particles of a wave's medium vibrate from their rest position 
 
 
 
Wavelength 
The distance from any poiont on a wave to an identical point on the next wave 
 
 
 
Frequency 
The number of waves produced in a given amount of time. 
 
 
 
Reflection 
The bo...
Find the molar mass of glucose? (C6 H12 O6) 
6X12.01=72.06 
12X1.01=12.12 
6X16=96 
=180.18g 
 
 
 
Find the molar mass of Al2 (SO4)3 
2X26.98=53.96 
3X32.07=96.21 
12X16=192 
= 342.17g 
 
 
 
Find the molar mass of Ba (NO3)2 
1X137.33=137.33 
2X14.01=28.02 
6X16=96 
= 261.35g 
 
 
 
Find the percen...
Vorschau 1 aus 3 Seiten
In den EinkaufswagenFind the molar mass of glucose? (C6 H12 O6) 
6X12.01=72.06 
12X1.01=12.12 
6X16=96 
=180.18g 
 
 
 
Find the molar mass of Al2 (SO4)3 
2X26.98=53.96 
3X32.07=96.21 
12X16=192 
= 342.17g 
 
 
 
Find the molar mass of Ba (NO3)2 
1X137.33=137.33 
2X14.01=28.02 
6X16=96 
= 261.35g 
 
 
 
Find the percen...
Which is the molar mass of H2O? 
18.02 g/mol 
 
 
 
What is the molar mass of CHCl3? 
119.37 g/mol 
 
 
 
Which best compares 1 mol of sodium chloride to 1 mol of aluminum chloride? 
Both are made up of 6.02 x 10^23 formula units. 
 
 
 
Which is the formula mass of (NH4)2SO4? 
132.17 amu 
 
 
 
Wha...
Vorschau 1 aus 2 Seiten
In den EinkaufswagenWhich is the molar mass of H2O? 
18.02 g/mol 
 
 
 
What is the molar mass of CHCl3? 
119.37 g/mol 
 
 
 
Which best compares 1 mol of sodium chloride to 1 mol of aluminum chloride? 
Both are made up of 6.02 x 10^23 formula units. 
 
 
 
Which is the formula mass of (NH4)2SO4? 
132.17 amu 
 
 
 
Wha...
How does the number of molecules in 1 molecules of oxygen compare with the number of molecules in 1 molecules of nitrogen? 
Each sample has the same number of molecules. 
 
 
 
Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron? 
They both have the sam...
Vorschau 1 aus 2 Seiten
In den EinkaufswagenHow does the number of molecules in 1 molecules of oxygen compare with the number of molecules in 1 molecules of nitrogen? 
Each sample has the same number of molecules. 
 
 
 
Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron? 
They both have the sam...
How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen? 
1 mol of oxygen has fewer molecules. 
 
1 mol of oxygen has more molecules. 
 
Each sample has the same number of molecules. 
 
The molecules cannot be compared without knowing the mass. 
...
Vorschau 1 aus 3 Seiten
In den EinkaufswagenHow does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen? 
1 mol of oxygen has fewer molecules. 
 
1 mol of oxygen has more molecules. 
 
Each sample has the same number of molecules. 
 
The molecules cannot be compared without knowing the mass. 
...
Avogadro's Number 
The number of atoms in 12.01 grams of Carbon 
 
 
 
Numerical Value of Avogadro's Number 
6.02 × 10²³ parts 
 
 
 
Parts= Representative Particles 
1) Atoms 
2) Ions 
3) Formula Units 
4) Molecules 
 
 
 
Mole 
The SI unit of measure for an amount of a chemical substance 
 
 ...
Vorschau 1 aus 1 Seiten
In den EinkaufswagenAvogadro's Number 
The number of atoms in 12.01 grams of Carbon 
 
 
 
Numerical Value of Avogadro's Number 
6.02 × 10²³ parts 
 
 
 
Parts= Representative Particles 
1) Atoms 
2) Ions 
3) Formula Units 
4) Molecules 
 
 
 
Mole 
The SI unit of measure for an amount of a chemical substance 
 
 ...
molar mass 
the volume of one mole of an ideal gas; equal to 22.42 liters at STP 
 
 
Standard temperature and pressure (STP) the condition 0℃ 
and 1 atmosphere of pressure 
 
 
 
molecular weight 
 
 
 
formula unit 
 
 
 
Ultimately, what is a chemical compound 
A chemical compound is, ultimatel...
Vorschau 1 aus 2 Seiten
In den Einkaufswagenmolar mass 
the volume of one mole of an ideal gas; equal to 22.42 liters at STP 
 
 
Standard temperature and pressure (STP) the condition 0℃ 
and 1 atmosphere of pressure 
 
 
 
molecular weight 
 
 
 
formula unit 
 
 
 
Ultimately, what is a chemical compound 
A chemical compound is, ultimatel...
A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 
 
4.01 × 10^22 molecules 
6.02 × 10^23 molecules 
9.03 × 10^24 molecules 
2.89 × 10^26 molecules 
9.03 × 10^24 molecules 
 
 
 
A sample of sugar (C12H22O11) contains 
1.505 × 1023 m...
Vorschau 2 aus 6 Seiten
In den EinkaufswagenA gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 
 
4.01 × 10^22 molecules 
6.02 × 10^23 molecules 
9.03 × 10^24 molecules 
2.89 × 10^26 molecules 
9.03 × 10^24 molecules 
 
 
 
A sample of sugar (C12H22O11) contains 
1.505 × 1023 m...
Define: Avogadro's number 
6.023x 10^23 
One mole of a pure substance 
 
 
 
Define: Empirical Formula 
elements combined in a compound with subscripts showing the smallest whole-number mole ratio 
 
 
 
Define: Molecular formula 
a formula showing the types and numbers of atoms combined in a singl...
Vorschau 1 aus 3 Seiten
In den EinkaufswagenDefine: Avogadro's number 
6.023x 10^23 
One mole of a pure substance 
 
 
 
Define: Empirical Formula 
elements combined in a compound with subscripts showing the smallest whole-number mole ratio 
 
 
 
Define: Molecular formula 
a formula showing the types and numbers of atoms combined in a singl...
Avogadro's Number 
in honor of Amadeo Avogadro 
() 
 
 
 
The mole (mol) 
The unit for counting atoms. 
 
The mole is a unit for counting just as a dozen or a ream or a gross is used to count. 
 
 
 
Atomic mass for an element 
The average relative mass of all the isotopes for the element. 
 
 
 
1...
Vorschau 1 aus 3 Seiten
In den EinkaufswagenAvogadro's Number 
in honor of Amadeo Avogadro 
() 
 
 
 
The mole (mol) 
The unit for counting atoms. 
 
The mole is a unit for counting just as a dozen or a ream or a gross is used to count. 
 
 
 
Atomic mass for an element 
The average relative mass of all the isotopes for the element. 
 
 
 
1...
The molar mass of iron is _____. 
55.8 g/mol 
 
 
 
Oil of vitriol is a substance that humankind has known of for thousands of years! Today the substance is known by it's scientific name sulfuric acid and has the molecular formula H2SO4. 
What is the molar mass of H2SO4? 
98.08 g/mol 
 
 
 
Calcula...
Vorschau 1 aus 1 Seiten
In den EinkaufswagenThe molar mass of iron is _____. 
55.8 g/mol 
 
 
 
Oil of vitriol is a substance that humankind has known of for thousands of years! Today the substance is known by it's scientific name sulfuric acid and has the molecular formula H2SO4. 
What is the molar mass of H2SO4? 
98.08 g/mol 
 
 
 
Calcula...
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