Calculate the percent by mass of carbon in CO2 (carbon dioxide).
2 answers:
Answer:
Explanation:
% by mass of C = (mass of C/mass of CO2) X 100%
mass of C = 12
mass of CO2 = 12 + (16X2)
= 12 + 32
= 44
% by mass of C = (12/44) X 100% =27.2%
Answer:
The answer to your question is 27.3 %
Explanation:
Percent by mass = ?
Process
1.- Calculate the atomic mass of carbon using the periodic table
Atomic mass = 12g
2.- Calculate the molecular mass of CO₂ .
Carbon = 12
Oxygen = 16 x 2 = 32
Total = 12 + 32 = 44g
3.- Calculate the percent by mass of carbon using proportions
44g -------------------- 100%
12 g ------------------- x
x = (12 x 100) / 44
x = 1200 / 44
x = 27.3 %
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