Which of the following contains 1 mole of the stated particle?
A. Chlorine molecules in 35.5 g of chlorine gas
B. Electrons in 1g of hydrogen gas
C. Hydrogen ions in 1dm3 of 1 mol dm-3 aqueous sulphuric acid
D. Oxygen atoms in 22.4 dm3 of oxygen gas at STP
Answer:B
Which of the following contains 1 mole of the stated particle?
A. Chlorine molecules in 35.5 g of chlorine gas B. Electrons in 1g of hydrogen gas C. Hydrogen ions in 1dm3 of 1 mol dm-3 aqueous sulphuric acid D. Oxygen atoms in 22.4 dm3 of oxygen gas at STP