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Molar Mass Worksheet and Key , Exercises of Chemistry

Worksheet from Chm108 Introduction to General, Organic, and Biochemistry course by Dr. Jim Zoval at Saddleback College.

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

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Molar Mass Worksheet and Key
For the following compounds, write the chemical formula and determine the molar mass. Write the units!
water
carbon dioxide
sodium chloride
calcium hydroxide
potassium permanganate (KMnO4)
sodium carbonate
barium nitrate
hydrogen monochloride
sulfuric acid (H2SO4)
acetic acid (C2H4O2)
SEE NEXT PAGE FOR KEY
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Molar Mass Worksheet and Key

For the following compounds, write the chemical formula and determine the molar mass. Write the units! water carbon dioxide sodium chloride calcium hydroxide potassium permanganate (KMnO 4 ) sodium carbonate barium nitrate hydrogen monochloride sulfuric acid (H 2 SO 4 ) acetic acid (C 2 H 4 O 2 ) SEE NEXT PAGE FOR KEY

Molar Mass Worksheet Key

Water (H 2 O) Element Number MM H 2 1.0 1 g/mole O 1 16.00 g/mole Total MM = 18.0 2 g/mole carbon dioxide, CO 2 Element Number MM O 2 16.0 0 g/mole C 1 12.01 g/mole Total MM = 44.01 g/mole sodium chloride, NaCl 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 g/mole O 2 16.00 g/mole Ca 1 40.08 g/mole Total MM = 74.10 g/mole potassium permanganate (KMnO 4 ) 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 sodium carbonate, Na 2 CO 3 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 barium nitrate, Ba(NO 3 ) 2 Element Number MM O 6 16.00 g/mole Ba 1 137.3 3 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 H 1 1.0 1 g/mole Total MM = 36.4 6 g/mole sulfuric acid (H 2 SO 4 ) Element Number MM S 1 32.07 g/mole H 2 1.0 1 g/mole O 4 16.00 g/mole Total MM = 98.09 g/mole acetic acid (C 2 H 4 O 2 ) Element Number MM H 4 1.0 1 g/mole O 2 16.00 g/mole C 2 12.01 g/mole Total MM = 60.0 6 g/mole