Concentrated nitric acid is labelled as 75% by mass – JEE Main PYQ Concentrated Nitric Acid (75% by Mass) Q. […]

20 mL of 2 M NaOH solution is added to 400 mL of 0.5 M NaOH solution – JEE Main

0.01 mole of an organic compound containing 10% hydrogen on combustion produced 0.9 g H2O – Mole Concept | JEE

Q. When 81.0 g of aluminium reacts with 128.0 g of oxygen, find the mass of aluminium oxide produced –

Molecular Formula from Percentage Composition – JEE Main PYQs | Mole Concept The elemental composition of a compound is 54.2%

Molarity from Mass Percentage – JEE Main PYQs | Concentration of Solutions The molarity of a 70% (mass/mass) aqueous solution

Empirical Formula Mass from Percentage – JEE Main PYQs | Mole Concept Quantitative analysis of an organic compound (X) shows

Percentage Composition of H and O – JEE Main PYQs | Combustion Analysis On combustion 0.210 g of an organic

Empirical Formula Mass Numerical – JEE Main PYQs | Combustion Analysis On complete combustion 1.0 g of an organic compound

Precipitation Reaction Numerical – JEE Main PYQs | Mole Concept Chemistry 20 mL of sodium iodide solution gave 4.74 g