Question

The number of moles of CO2 which contains 8.0 of oxygen is :
A. 0.25
B. 0.50
C. 0.75
D. 1.0

Right answer is A.
Number of moles = Given mass ÷ atomic mass
Number of moles = 8.0 ÷ 32 =0.25​

Answer 1

right ans isA

no.of moles are 8.0

Answer is 0.25

Answer 2

Answer:

A. 0.25

Thanks mate for writing the answer too✌️