Gram Formula Mass
The gram formula mass of Na2CO3
What is 106 g +/- .2?
The percent by mass of oxygen in Fe2O3
(GFM = 160 amu)
What is 30%?
The term that represents 6.02x1023 atoms/molecules of a substance.
What is Avogadro's Number/the Mole?
The moles of O2 consumed when 1 mole of Na2O are produced in the following reaction:
4Na + O2 --> 2Na2O
What is 0.5 moles of O2?
The mass of the reactants when the mass of the products is 103.0 g
What is 103.0 g?
The gram formula mass of Ca(OH)2?
What is 74 g +/- .1?
The percent composition by mass of oxygen in Ca(NO3)3
(GFM = 164 g/mol)What is 59%?
The mass of 1.5 moles of CO2
What is 66 g?
The number of moles of H2O produced when 2.0 moles of NH3 are completely reacted in the following formula.
4NH3 + 5O2 --> 4NO + 6H2O
What is 3.0 moles of H2O?
The mass of H2O produced when 10.0 grams of H2 react completely with 80.0 grams of O2
2H2 + O2 --> 2H2O
What is 90.0 grams?
The gram formula mass of C3H5(OH)3?
What is 92 g?
The mass lost during heating of a salt.
What is the mass of the water/hydrate?
The number of moles in 168 g of KOH
(GFM = 56g)
What is 3 moles?
The total volume of H2 (g) consumed when 22.4 L of Cl2 (g) completely react in the given equation:
H2 (g) + Cl2 (g) --> 2HCl (g)
What is 22.4 L of H2 (g)?
The molecular formula of a compound that has a molecular mass of 30 g and an empirical formula of CH3
What is C2H6?
The substance that has the greatest molecular mass of the following
A) H2O2
B) NO
C) CF4
D) I2
What is D) I2 ?
The element with 35% composition in NH4NO3.
What is Nitrogen/N?
The atom that represents X in the following formula with a GFM of 34g/mol.
H2X
What is sulfur/S?
Liters of oxygen gas needed for the complete combustion of 67.2 L of CH4 (g) in the following reaction:
CH4 (g) + 2O2 (g) --> CO2 (g) + 2H2O (g)
What is 134.4 L of O2 (g)?
The molecular formula of a compound that has a molecular mass of 176g and an empirical formula of C3H4O3
What is C6H8O6?
A quantity, expressed in grams, that is equal to one mole of Au
What is the atomic mass/196.7 g?
The species that contains the greatest percent by mass of hydrogen in the following:
A) OH-
B) H2O
C) H3O+
D)H2O2
What is C)H3O+?
Liters present in 132 g of CO2 (g)
What is 67.2 L?
The grams of O2 required to produce exactly 20. moles of CO2 g in the following reaction:
2CH3OH(l) + 3O2 (g) --> 2CO2 (g) + 4H2O(g)
What is 960 grams of O2 (g)?
The reason why NO cannot be the empirical formula of a compound with a molecular mass of 45 g
What is the molecular mass is not evenly divisible by the GFM of the empirical formula.