Question

Calculate the percentage composition of carbon and oxygen give atomic masses carbon = 12 oxygen = 16

Answer 1

Answer:

The percentage composition of an element in a compound is the mass of an element present in 100g of that compound.

The mass percentage of an element.

Now, Total mass of CO2 = 12 + 2×16 = 44.

Explanation:

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Answer 2

Answer:

total mass of CO2=12+2*16=12+32=44

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