What is the molecular mass of CCl4Given the atomic mass
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What is the molecular mass of CCl4?
Given the atomic mass of C=12 u and Cl=35.5 u
A.
150.5 u
B.
154 u
C.
160 u
D.
342.5 u
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Right Answer is: B
SOLUTION
Molecular mass is the sum of atomic mass of all the constituent atoms present in the molecule.
Atomic mass of the elements in CCl4:
Atomic mass of C = 12 u
Atomic mass of Cl = 35.5 u
Thus, the molecular mass of CCl4 = 12 + (4×35.5) = 154 u.