Igcse Chemistry Past Paper ⟶ < RECOMMENDED >

A) 28 g B) 32 g C) 44 g D) 48 g

A) One mole of any element contains the same number of atoms as one mole of any compound. B) One mole of any gas occupies the same volume at the same temperature and pressure. C) One mole of any substance has the same mass. D) One mole of electrons has a mass of 1 g. igcse chemistry past paper

How many moles are present in 36 g of water (H₂O)? (Ar: H = 1, O = 16) A) 28 g B) 32 g C) 44

Calculate the number of moles of magnesium in 2.4 g of Mg. (Ar: Mg = 24) [2] igcse chemistry past paper