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Which of the following is the molar mass of chlorine gas (Cl_2)?
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2. Atoms & Elements
Calculating Molar Mass
Scelta multipla
What is the mass of 1.000 mole of carbon atoms?
A
6.02 g
B
12.01 g
C
24.02 g
D
1.00 g
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Guida verificata passo dopo passo1
Identify the quantity given: 1.000 mole of carbon atoms.
Recall that the mass of one mole of an element in grams is equal to its atomic mass (or atomic weight) expressed in atomic mass units (amu).
Look up the atomic mass of carbon on the periodic table, which is approximately 12.01 amu.
Use the relationship: mass (g) = number of moles × molar mass (g/mol). In this case, mass = 1.000 mole × 12.01 g/mol.
Calculate the product to find the mass of 1.000 mole of carbon atoms.
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