Answer:
54.6%
Step-by-step explanation:
Percentage composition of carbon in compound
= ( mass of carbon in compound / total mass of compound ) x100
= ( 98.28 / 98.28 + 16.21 + 65.52 ) x 100
= (98.28 / 180.01 ) x 100
= 54.6% (3sf)
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