Question

The no. Of moles of carbon dioxide that contains 8g of oxygen is ​

Answer 1

Answer:

Explanation:

Given :-

Mass of Oxygen = 8 g

Molar mass of Oxygen = 32 g

To Find :-

Number of moles.

Formula to be used :-

Number of moles of Oxygen =  Given Mass/ Molar mass

Solution :-

Putting all the values, we get

⇒ Number of moles of Oxygen =  Given Mass/ Molar mass

⇒ Number of moles of Oxygen = 8 / 32 moles

⇒ Number of moles of Oxygen = 0.25 moles

Hence, 0.25 mole of carbon dioxide contains 8 g of oxygen.