Molar Mass Worksheet and Key [PDF]

Molar Mass Worksheet and Key. For the following compounds, write the chemical formula and determine the molar mass. Writ
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Idea Transcript

Molar Mass Worksheet and Key For the following compounds, write the chemical formula and determine the molar mass. Write the units! water

sodium carbonate

carbon dioxide

barium nitrate

sodium chloride

hydrogen monochloride

calcium hydroxide

sulfuric acid (H2SO4)

potassium permanganate (KMnO4)

acetic acid (C2H4O2)

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Molar Mass Worksheet Key sodium carbonate, Na2CO3

Water (H2O) Element Number MM H 2 1.01 g/mole O 1 16.00 g/mole Total MM = 18.02 g/mole

barium nitrate, Ba(NO3)2

carbon dioxide, CO2 Element Number MM O 2 16.00 g/mole C 1 12.01 g/mole Total MM = 44.01 g/mole

sodium chloride, NaCl

Element Number MM O 6 16.00 g/mole Ba 1 137.33 g/mole N 2 14.01 g/mole Total MM = 261.35 g/mole

hydrogen monochloride, HCl

Element Number MM Cl 1 35.45 g/mole Na 1 22.99 g/mole Total MM = 58.44 g/mole

calcium hydroxide, Ca(OH)2 Element Number MM H 2 1.01 O 2 16.00 Ca 1 40.08 Total MM = 74.10 g/mole

Element Number MM O 3 16.00 g/mole Na 2 22.99 g/mole C 1 12.01 g/mole Total MW = 105.99 g/mole

g/mole g/mole g/mole

potassium permanganate (KMnO4) Element Number MM O 4 16.00 g/mole Mn 1 54.94 g/mole K 1 39.10 g/mole Total MM = 158.04 g/mole

Element Number MM Cl 1 35.45 H 1 1.01 Total MM = 36.46 g/mole

g/mole g/mole

sulfuric acid (H2SO4) Element Number MM S 1 32.07 H 2 1.01 O 4 16.00 Total MM = 98.09 g/mole

g/mole g/mole g/mole

acetic acid (C2H4O2) Element Number MM H 4 1.01 O 2 16.00 C 2 12.01 Total MM = 60.06 g/mole

g/mole g/mole g/mole

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