Question: how many moles of atoms are present in 4g of sulphur?
Answer: This means that 32g of sulphur contains 6.0221 x 10²³ (1 mole) sulphur atoms. So 8g of sulphur contains 1/4 * 6.0221 x 10²³ atoms (as 8/32 = 1/4), which is about 1.5055 x 10²³ atoms.