Calculate the number of moles of MgO
Attachments:
Answers
Answered by
1
Answer:
2 moles for 80g
Explanation:
The formula to calculate number of moles is:
No. of moles = mass of substance/Molar mass of substance
Molar mass of MgO = mass of Mg + Mass of O = 24 + 16 = 40 g/mole
1- No of moles of magnesium oxide in 80 g of the compound No. of moles = 80 / 40 = 2 moles
2- No of moles of magnesium oxide in 10 g of the compound
No. of moles = 10/40 = 0.25
Similar questions