Question

How many moles of oxygen are in 0.66 moles of co_2 ​2 ​​ ? your answer should have the appropriate number of significant figures. only give the numeric value of your answer. don't include the units?

Answer 1

1 mole of
`CO_2` contains one mole of
`C` atom and two moles of
`O` atoms.

1 mole of
`CO_2` contains 2 moles of
`O`.

So, 0.66 mole of
`CO_2` contains:

`0.66* 2 = 1.32 moles`

Hence, 0.66 mole of
`CO_2` contains 1.32 moles of
`O_2`.

Answer 2

Answer : There are 1.3 moles of oxygen in 0.66 moles of
`CO_(2)`

Explanation : 1 mole
`CO_(2)` contains 1 mole C and 2 mole
`O_(2)`. Therefore moles of
`O_(2)` is twice the number of moles of
`CO_(2)`.

0.66 mole
`CO_(2)` =
`(0.66 molCO_(2))* ((2 mole O_(2)))/((1 mole CO_(2)))`

`(0.66 )* ((2 mole O_(2)))/((1 ))` = 1.3 mole
`O_(2)`

Therefore 0.66 mole
`CO_(2)` will have 1.3 mole
`O_(2)`.