Answer:
18.78%
Hence, the mass percent of lithium in lithium carbonate is 18.78%.
Explanation:
The percent by mass of carbon in this compound, lithium carbonates is
16.2%
The compound is lithium carbonates.
The molar mass of the compound will be calculated and the molar mass of carbon in the compound will also be calculated to find the percentage of carbon in it.
Molar mass of Li₂CO₃ = (7 ×2) + 12 + 48 = 74 g
Molar mass of carbon in the compound = 12g
percentage mass of carbon = 12 / 74 × 100
percentage mass of carbon = 1200 / 74
percentage mass of carbon = 16.2162162162
percentage mass of carbon = 16.2 %
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