This lesson covers solved numerical problems on molarity, molality, mole fraction, and percentage concentrations to help you clearly understand solution concentration concepts in chemistry.

Both molarity and molality are measures of a chemical solution’s concentration. The primary difference between the two comes down to mass versus volume. Molarity (M) is the amount of a substance in a ...

The National Testing Agency (NTA) has issued the subject wise NEET 2026 syllabus on this website soon after the NMC released ...

The Indian Institute of Technology (IIT) Roorkee has officially released the complete syllabus for the much-anticipated JEE Advanced 2026 examination, and it is now available for direct download on ...

JEE Advanced 2026 Syllabus: The Indian Institute of Technology (IIT) Roorkee, the conducting authority for JEE Advanced 2026, has published the detailed, topic-wise syllabus on its official website at ...

The final, formatted version of the article will be published soon. For aqueous lithium-ion batteries (A-LIBs), the hydrogen evolution reaction (HER) poses a significant challenge, as it competes with ...