Question

Calculate the number of water molecules in 0.06 grams of water.

Answer 1

1 mol of water = 6.023 x 10²³ molecules = 18 g of water (2x1 for H & 16 g of O)

Therefore 0.06 g of water = 0.06/18 x 6.023 x 10²³ = 2.00 x 10²¹ atoms