Question

which of these weighs most 1) 32g of oxygen 2) 2g of nitrogen 3) 0.5mole of iron 4) 3.01×1023 atoms of carbon​

Answer 1

• 32 g of oxygen is 2 moles
• 2g of nitrogen is 1/7 moles
• 1/2 of iron
• 3.01×10²³ atoms of carbon equals 1/2 mole

Above all the substance which weighs more by moles is (1) ie 32g of oxygen