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Molar mass, sometimes referred to as molecular weight, is the mass of one mole of a substance, and is usually expressed in

A Liters
B Grams
C Density
D Moles

D?

The mole is derived from the quantity of atoms in 12 grams of carbon-12. The mole is just a number, it can be used for:
A Molecules
B Atoms
C Ions
D All of the above
D?

Calculate the molecular mass of calcium chloride (CaCl 2 ).
A 35.45 g/mol
B 110.98 g/mol
C 40.08 g/mol
D 75.53 g/mol
B?

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2 answers

  1. Molar mass, sometimes referred to as molecular weight, is the mass of one mole of a substance, and is usually expressed in
    D? NO !

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  2. Ca = 40 grams/ mol
    Cl = 35.5 /mol times 2 = 71
    40 + 71 = 111 yes B

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