by BlastRoom
Practice adding atomic masses using subscripts and grouped ions.
#chemistry

40 questions
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A sulfur atom has an average atomic mass of 32.06 amu. What is the molar mass of sulfur?
The average mass of a magnesium atom is 24.31 amu. What is the molar mass of magnesium?
The periodic table lists the average atomic mass of iron as 55.85 amu. What molar mass should be used for Fe atoms?
An argon atom has an average atomic mass of 39.95 amu. What is the molar mass of argon atoms?
An iodine atom has an average atomic mass of 126.90 amu. What is the molar mass of I atoms?
An aluminum atom has an average atomic mass of 26.98 amu. What is the molar mass of aluminum atoms?
Using H = 1.01 g/mol and O = 16.00 g/mol, calculate the molar mass of H2O.
What is the molar mass of CO2 using C = 12.01 g/mol and O = 16.00 g/mol?
For NH3, use N = 14.01 g/mol and H = 1.01 g/mol. Which molar mass is correct?
Using Na = 22.99 g/mol and Cl = 35.45 g/mol, find the molar mass of NaCl.
CaCl2 is used in a calculation. Using Ca = 40.08 g/mol and Cl = 35.45 g/mol, what is its molar mass?
Using C = 12.01 g/mol and H = 1.01 g/mol, determine the molar mass of CH4.
Glucose is C6H12O6. Using C = 12.01, H = 1.01, and O = 16.00 g/mol, what is its molar mass?
Using Na = 22.99 g/mol and O = 16.00 g/mol, which is the molar mass of Na2O?
Calculate the molar mass of MgBr2 using Mg = 24.31 g/mol and Br = 79.90 g/mol.
A formula unit is Al2O3. Using Al = 26.98 g/mol and O = 16.00 g/mol, what is its molar mass?
Using H = 1.01 g/mol and S = 32.06 g/mol, what molar mass do you get for H2S?
Using Si = 28.09 g/mol and O = 16.00 g/mol, find the molar mass of SiO2.
K2S is on a lab sheet. Using K = 39.10 g/mol and S = 32.06 g/mol, which molar mass matches it?
What is the molar mass of NO2 if N = 14.01 g/mol and O = 16.00 g/mol?
Using Fe = 55.85 g/mol and O = 16.00 g/mol, calculate the molar mass of Fe2O3.
For CuCl2, use Cu = 63.55 g/mol and Cl = 35.45 g/mol. What is the molar mass?
Using P = 30.97 g/mol and Cl = 35.45 g/mol, which molar mass is correct for PCl3?
Using C = 12.01, H = 1.01, and O = 16.00 g/mol, find the molar mass of C2H6O.
Using Ca = 40.08, O = 16.00, and H = 1.01 g/mol, what is the molar mass of Ca(OH)2?
Find the molar mass of Al2(SO4)3 using Al = 26.98, S = 32.06, and O = 16.00 g/mol.
Using Mg = 24.31, N = 14.01, and O = 16.00 g/mol, calculate the molar mass of Mg(NO3)2.
What is the molar mass of (NH4)2SO4 using N = 14.01, H = 1.01, S = 32.06, and O = 16.00 g/mol?
Using Ba = 137.33, Cl = 35.45, and O = 16.00 g/mol, choose the molar mass of Ba(ClO3)2.
Using Fe = 55.85, N = 14.01, and O = 16.00 g/mol, what is the molar mass of Fe(NO3)3?
Calculate the molar mass of Cu3(PO4)2 using Cu = 63.55, P = 30.97, and O = 16.00 g/mol.
Using Zn = 65.38, O = 16.00, and H = 1.01 g/mol, determine the molar mass of Zn(OH)2.
Using Mg = 24.31, Ca = 40.08, Na = 22.99, Cl = 35.45, O = 16.00, and K = 39.10 g/mol, which formula has molar mass 95.21 g/mol?
Using C = 12.01, O = 16.00, N = 14.01, S = 32.06, and H = 1.01 g/mol, which formula has molar mass 64.06 g/mol?
Using Ca = 40.08, Mg = 24.31, Na = 22.99, K = 39.10, C = 12.01, and O = 16.00 g/mol, which formula has molar mass 100.09 g/mol?
Using H = 1.01, S = 32.06, P = 30.97, and O = 16.00 g/mol, which formula has molar mass 98.08 g/mol?
Using C = 12.01, H = 1.01, and O = 16.00 g/mol, which formula matches a molar mass of 150.15 g/mol?
Using Ca = 40.08, Mg = 24.31, K = 39.10, O = 16.00, and H = 1.01 g/mol, which formula has molar mass 58.33 g/mol?
Using Al = 26.98, S = 32.06, Mg = 24.31, Ca = 40.08, and O = 16.00 g/mol, which formula has molar mass 120.37 g/mol?
Using Ca = 40.08, Mg = 24.31, Na = 22.99, K = 39.10, N = 14.01, and O = 16.00 g/mol, which formula has molar mass 164.10 g/mol?
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24 questions