Mass Percentage and Density of Solution JEE Chemistry
❓ Question Concentrated nitric acid is labeled as 75% by mass . The volume (in mL) of the solution containing 30 g of H N O 3 HNO_3 is: Given:…
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Mass Percentage and Density of Solution JEE Chemistry
❓ Question Concentrated nitric acid is labeled as 75% by mass . Find the volume (in mL) of the solution that contains 30 g of H N O 3 HNO_3 . Gi…
Empirical Formula Mass from Percentage Composition JEE Chemistry
❓ Question Quantitative analysis of an organic compound X X gives the following composition: Carbon = 14.5% Chlorine = 64.46% Hydrogen =…
Mole to Mass Conversion Using Avogadro Number JEE Chemistry
❓ Question A sample of C O 2 CO_2 has mass x x mg. After removing 10 21 10^{21} molecules from it, 2.8 × 10 − 3 2.8\times10^{-3} of C O 2 CO_2…
Molar Mass from Combustion Data JEE Chemistry Question
❓ Question 0.01 mole of an organic compound X X containing 10% hydrogen by mass on complete combustion produces 0.9 g of H 2 O H_2O . Find the …
Limiting Reagent Aluminium and Oxygen JEE Chemistry Question
❓ Question When 81 g of aluminium is allowed to react with 128 g of oxygen gas , find the mass of aluminium oxide ( A l 2 O 3 ) (Al_2O_3) ( A l 2…
Find Mass of Iron Using Limiting Reagent JEE Main PYQ
❓ Question Consider the following reaction occurring in a blast furnace: F e 3 O 4 ( s ) + 4 C O ( g ) → 3 F e ( l ) + 4 C O 2 ( g ) Fe_3O_4(s)+4…
Density and Molarity to Find Molality JEE Chemistry
❓ Question The density of a 3 M NaCl solution is 1.25 g mL⁻¹ . Find the molality of the solution . ✍️ Solution Given molarity: M = 3 M M=3\t…
Final Concentration After Mixing Solutions JEE Main PYQ
❓ Question 20 mL of 2 M NaOH solution is added to 400 mL of 0.5 M NaOH solution . Find the final concentration of the solution. ✍️ Solution Mo…
Degree of Unsaturation of Hydrocarbon JEE Chemistry Question
❓ Question A hydrocarbon X X has a molar mass of 80 g mol⁻¹ and contains 90% carbon by mass . Find the degree of unsaturation of the hydrocarbo…