A) 6 dm³ B) 12 dm³ C) 24 dm³ D) 48 dm³
Which statement about the mole is correct? igcse chemistry past paper
A) 1.0 mol B) 1.5 mol C) 2.0 mol D) 2.5 mol A) 6 dm³ B) 12 dm³ C) 24
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. C) One mole of any substance has the same mass
Calculate the volume occupied by 0.5 moles of oxygen gas (O₂) at room temperature and pressure (RTP). (Molar volume = 24 dm³/mol)
What is the number of molecules in 2.0 moles of carbon dioxide? (Avogadro’s constant = 6.02 × 10²³)