Vocabulary
Moles
Percent Composition
Empirical Formula
Formula Mass
100
Avagadro's Number
What is 6.02 X 10^23
100
How many H+ ions are found in 1.00 mole of OH?
What is 6.02 X 10^23
100
What is the percent composition of H2O?
What is H= 11.19% O= 88.80%
100
What is the empirical formula of 60% S and 40% O?
What is S3O4
100
What is the mass of H2O?
What is 18.015 g/mol
200
Empirical Formula
What is a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
200
How many Mg 2+ ions are in 3.00 moles of MgCl2?
What is 1.08 X 10^24
200
What is the percent composition of CuBr2?
What is Cu= 28.4% Br=71.6%
200
What is the empirical formula of 1.8% H, 56.1% S, and 42.1% O?
What is H2S2O3
200
What is the mass of H3PO4?
What is 97.973 g/mol
300
Percent Composition
What is the percentage of a formula mass represented by each element
300
How many grams are in 4.5 moles of NaF?
What is 189 grams
300
What is the percent composition of HCl
What is H=3% Cl= 97%
300
What is the empirical formula of 6.57% K, 35.36% Cr, and 38.07% O?
What is K2Cr2O7
300
What is the mass C6H12O6 (glucose)?
What is 180.126 g/mol
400
Unit for a mole
What is mol
400
How many moles are in 68 grams of Cu(OH)2?
What is 0.70 moles
400
What is the percent composition of (NH4)2S?
What is N=41.1% H= 11.8% S=47.1%
400
What is the empirical formula of 30.4% N and Oxygen?
What is NO2
400
What is the mass of Ca3(PO3)2?
What is 310.18 g/mol
500
Molar Mass
What is the mass of one mole of a substance
500
How many grams are in 1.11 moles of Mn3(SO4)7?
What is 929.5 grams
500
What is the percent composition of Al3(SO4)3?
What is Al=16% S=28% O=56%
500
What is the empirical formula of 75.75% As and Oxygen?
What is As2O3
500
What is the mass of Mn3(SO4)7?
What is 837.25 g/mol
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