JEE Main Chemistry question

80 g of oxygen contains as many atoms as in [K CET 2008]

Answer: (D)

Solution

80 g O = mol O = 5 mol O atoms = atoms. For H (M = 2 g/mol) to also give atoms, we need 2.5 mol H, i.e. 5 g of

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-130438