Question

Calculate:; (a) The number of moles of Sulphur (S8) present in 16 g of solid sulphur.; (b) the mass of 10 moles of sodium sulphite (Na2SO3).; (c) the number of atoms in 11.5 g of Na.; [atomic mass: Na = 23u; S = 32u, O = 16u, NA = 6.022 × 1023 mol–1]

Answer 1

Answer:

put all the given things in their respective places

then add all of them