Which answer best represents the (mass) percent composition of CO2?
A) 50.0% C and 50.0% O
B) 12.0% C and 88.0% O
C) 27.3% C and 72.7% O
D) 12.0% C and 32.0% O
Answer: C
Which answer best represents the (mass) percent composition of CO2?
A) 50.0% C and 50.0% O
B) 12.0% C and 88.0% O
C) 27.3% C and 72.7% O
D) 12.0% C and 32.0% O
Answer: C