The molar masses of each compound has been presented below;
2) BaCI₂ = 208.227 g/mol 3) Ca(OH)₂ = 74.092 g/mol
4) Na₂SO₄ = 142.041 g/mol 5) NH₃ = 17.031g/mol
6) Ni(NO₃)₂ = 182.701 g/mol 7) C₁₂H₂O₁₁ = 342.297 g/mol
8) C₇H₅N₃O₆ = 227.132 g/mol
What are the molar mass of the various compounds?
2. Barium (Ba): 137.327 1 137.327 g/mol
Chlorine (Cl): 35.45 2 70.9 g/mol
208.227 g/mol
3. Calcium (Ca): 40.078 1 40.078 g/mol
Hydrogen (H): 1.008 2 2.016 g/mol
Oxygen (O): 15.999 2 31.998g/mol
74.092 g/mol
4. Sodium (Na): 22.990 2 45.98g/mol
Sulfur (S): 32.065 1 32.065g/mol
Oxygen (O): 15.999 4 63.996 g/mol
142.041 g/mol
5. Ammonia (NH₃):
Molar mass = 14.007 + 3×1.008
Molar mass = 17.031
6. Nickel nitrate: Ni(NO₃)₂
Molar mass = Atomic mass of Ni + 2×(Atomic mass of N+3×Atomic mass of O)
Molar mass = 58.693 + 2×(14.007+3×15.999)
Molar mass = 58.693 + 2×(14.007+47.997)
Molar mass = 58.693 +124.008
Molar mass = 182.701
7) Sucrose (table sugar): C₁₂H₂O₁₁
Molar mass = 12×Atomic mass of C+ 22 × Atomic mass of H + 11×Atomic mass of O
Molar mass = 12×12.011 + 22×1.008 + 11×15.999
Molar mass = 144.132 + 22.176 + 175.989
Molar mass = 342.297
8) Trinitrotoluene (dynamite): C₇H₅N₃O₆
Molar mass = 7×Atomic mass of C + 5×Atomic mass of H + 3×Atomic mass of N + 6×Atomic mass of O
Molar mass = 7×12.011 + 5×1.008 + 3×14.007 + 6×15.999
Molar mass = 84.077 + 5.04 + 42.021 + 95.994
Molar mass = 227.132