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Question:
What is the mass of 1.70 mol of carbon-12?
A)20.4g
B)12.0g
C)7.06g
D)0.140g
Answer:
The mass of 1.70 mol Carbon-12 has been 20.4 grams. Thus, option A is correct.
The mass can be given from moles, as moles have been the mass of the compound with respect to the molecular mass.
Moles have been given as:
Moles =
Mass = moles × molecular mass
The molecular mass of the Carbon-12 isotope has been 12g/mol.
The given moles of carbon–12 have been 1.70 mol
Substituting the values:
Mass of Carbon-12 = 1.70 mol × 12 g/mol
Mass of carbon–12 = 20.4 grams
For more information about the mass of the compound, refer to the link:
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