Determin the number of oxygen atmos in 1.75kg of potassium sulfate.

1 answer

1,750 g K2SO4 is how many moles.
1,750 g/molar mass K2SO4.
Then molecules of K2SO4 will number 6.022 x 10^23 molecules in 1 mole. Then there are 4 oxygen atoms per mole K2SO4.