How many moles are equal to 89.23 g of calcium oxide

Question

asked Sep 9, 2019 171k views

1 Answer

Ahmethungari · Answer 1 · 2019-09-16T06:42:18+0000

the molecular formula of calcium oxide - CaO

The molar mass of CaO - 40 + 16 = 56 g/mol

Which means that 1 mol weighs 56 g

Therefore 56 g of CaO is - 1 mol

Then 89.23 g is equivalent to - 1/56 x 89.23 = 1.6 mol of CaO.