Molar mass of lithium carbonate
Asked by maham237 @ in Chemistry viewed by 298 People
What is the molar mass of each compound?
a. Li2CO3 (lithium carbonate)
Answered by maham237 @
Answer:
73.89 g/mol
Explanation:
- Molar mass is the mass contained by one mole of an element or a compound.
- The molar mass of an element is equivalent to its atomic mass, while the molar mass of a compound is equivalent to the relative formula mass of the compound.
- Relative formula mass of a compound is calculated by getting the sum of the relative atomic masses of all the elements making the compound.
In this case,
Our compound is LI₂CO₃, it is made of 2 Lithium atoms, 1 carbon atom and 3 oxygen atoms.
Atomic mass of O = 16.0
Atomic mass of Li = 6.94
Atomic mass of C = 12.01
Thus, RFM of LI₂CO₃ = (2 × 6.94 ) + 12.01 + (3 × 16.0)
= 73.89 g/mol
Thus, the molar mass of LI₂CO₃ is 73.89 g/mol
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