Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3
description
Transcript of Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3
![Page 1: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/1.jpg)
Drill: Calculate the % composition of each element in
Fe2(SO4)3
![Page 2: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/2.jpg)
Molar Conversions
![Page 3: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/3.jpg)
Moles•The standard unit of
measure for the amount of a
substance in numbers
![Page 4: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/4.jpg)
Dozen= 12 of anything
![Page 5: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/5.jpg)
Moles= the amount of a
substance that would = its mass in
g from the PT
![Page 6: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/6.jpg)
Moles= 6.022 x 1023
of anything
![Page 7: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/7.jpg)
Molar Conversions• Mass to moles
• Volume of a gas to moles
• Particles to moles
• Volume of a solution to moles
![Page 8: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/8.jpg)
Moles First
![Page 9: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/9.jpg)
Mass to Moles•Use atomic masses from the periodic table
•NaCl = 58.5 g/mole
![Page 10: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/10.jpg)
Gas Volume to Moles•At STP: 22.4 L/mole
•Non-STP: PV = nRTPV
RTn =
![Page 11: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/11.jpg)
Particles to Moles•Use Avogadro’s Number
•6.02 x 1023 atoms, molecules, etc/mole
![Page 12: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/12.jpg)
Soln Volume to Moles
•Multiply molarity times volume
•n = M x V
![Page 13: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/13.jpg)
Solution Measures•Molarity (M) = the number of moles of solute per liter of solution
•Others later
![Page 14: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/14.jpg)
Calculate the atomic mass of the element made up of the
following isotopes:99.50 % H-10.30 % H-20.20 % H-3
![Page 15: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/15.jpg)
Calculate the atomic mass of the element made up of the
following isotopes:5.0 % Pu-242, 5.0 % Pu-243
80.0 % Pu-244, & 10.0 % Pu-245
![Page 16: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/16.jpg)
•Convert 7.0 g of silicon to
moles
![Page 17: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/17.jpg)
Convert 250 g of CaCO3
to moles
![Page 18: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/18.jpg)
Convert 3.0 moles of helium
to grams
![Page 19: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/19.jpg)
Convert 5.6 L of oxygen gas at STP to moles
![Page 20: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/20.jpg)
Convert 0.50 moles of helium
to volume at STP
![Page 21: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/21.jpg)
Convert: 2.0 x 1024 atoms
He to moles
![Page 22: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/22.jpg)
Convert 3.0 moles of glucose
to molecules
![Page 23: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/23.jpg)
Convert 250 mL of 0.10 M HCl
to moles
![Page 24: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/24.jpg)
Drill: Determine the volume
required to make 60.0 g NaOH into a 0.75 M solution
![Page 25: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/25.jpg)
Convert 6.8 g NH3 to volume
at STP
![Page 26: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/26.jpg)
Convert 3.0 x 1025 molecules of CO2
to mass in kg
![Page 27: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/27.jpg)
Calculate the number of oxygen atoms in 32 g of
Fe2O3
![Page 28: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/28.jpg)
Calculate the number of atoms
in 16 ng of Fe2(SO4)3
![Page 29: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/29.jpg)
Drill: Calculate the mass of solute
required to make 40.0 mL of
0.25 M Pb(NO3)2
![Page 30: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/30.jpg)
Test Review on Nomenclature,
Molar conversions, & % Composition.
![Page 31: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/31.jpg)
Calculate the % composition of each element in
Pb(NO3)2
![Page 32: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/32.jpg)
Calculate the empirical formula of
a substance comtaining 62.7 %
Po, 28.8 % O, & 8.4 % N.
![Page 33: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/33.jpg)
Calculate the molecular formula of a substance with an empirical formula of NH2 & a molecular mass of 32 g/mole.
![Page 34: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/34.jpg)
Name each of the following:
•SeO MgS
•PbO2 Cl2O
•KNO3 ScCl3
![Page 35: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/35.jpg)
Derive formulas for each:
•Cesium oxide
•Barium chloride
•Calcium phosphate
•Manganese(II) chlorate
![Page 36: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/36.jpg)
Name each of the following:
NH4Cl BaSO4
KC2H3O2 K2HPO3
KNO3 CuBrO
Li2CO3 MgC2O4
![Page 37: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/37.jpg)
Name each of the following:
HCl H2SO4
H2S H3PO3
HNO3 HBrO
H2CO3 HBrO4
![Page 38: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/38.jpg)
Calculate the number of
hydrogen atoms in 1.8 kg of PH5.
![Page 39: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/39.jpg)
Calculate the volume at STP of
6.0 ng of NO.
![Page 40: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/40.jpg)
Calculate the mass of KBr required to make 250 mL of a 0.40 M solution.
![Page 41: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/41.jpg)
Chapter 3 General
•Define all the Key Terms on page 74
![Page 42: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/42.jpg)
Atomic Mass
•Work problems:
1 - 9
on page 75
![Page 43: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/43.jpg)
Avogadro’s Num.
•Work problems:
11 - 18
on page 75
![Page 44: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/44.jpg)
Molar Conversions
•Work problems:
18 - 26
on page 75 & 76
![Page 45: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/45.jpg)
% Composition
•Work problems:
27 - 34
on page 76
![Page 46: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/46.jpg)
Empirical Formula
•Work problems:
35 - 46
on page 76 & 77
![Page 47: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/47.jpg)
Balancing Rxns
•Work problems:
49 & 54
on page 77
![Page 48: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/48.jpg)
Stoichiometry
•Work problems:
55 & 64
on page 77 & 78
![Page 49: Drill: Calculate the % composition of each element in Fe 2 (SO 4 ) 3](https://reader036.fdocuments.in/reader036/viewer/2022081603/568145e5550346895db2e455/html5/thumbnails/49.jpg)
Limiting Reactant
•Work problems:
65 & 74
on page 78 & 79