Question

calculate the number of molecules of Sulphur present in 16 g of solid sulphur

Answer 1

1 mole or 32g of sulphur contains = 6.023 * 10²³ molecules

So, 16g of sulphur will contain = (6.023 * 10²³ / 32 ) * 16 = 3.011 * 10²³ molecules.

Hence, 16g of sulphur contains 3.011 * 10²³ molecules.