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 ...

Abstract: We propose a quad-stub microwave differential sensor which exhibits a single electromagnetic transparency window and Fano resonance when operated under symmetrical resonant conditions. When ...

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CBSE Class 12 Chemistry Board Exam 2025 on February 27. Check key topics list, preparation tips, time management tricks shared by PGT Chemistry here. Central Board of Secondary Education will conduct ...

The Bihar School Examination Board (BSEB) has announced the Class 12 Exam Dates for 2025. The exams are set to begin on February 1, 2025 and will end on February 15, 2025. Students can check the ...

In 2019 the SI2019 standardization was completed, based on the 7 physics dimensions specific to the Metric system. That is actually an inadequate and insufficient unit system standard, as it is ...

Molar absorptivity, also known as molar absorptivity coefficient or molar absorption coefficient, is a fundamental parameter in spectroscopy that quantifies the absorption of light by a molecule. It ...

Molality is an important concept in chemistry, particularly when dealing with solutions, as it helps in understanding the various properties of a solution. It is the measure of the number of moles of ...

Carbon dioxide emissions are a huge contributor to global warming and climate change. Human activities, such as burning fossil fuels, deforestation, and industrial activities, are significant sources ...

A relationship between the osmotic second virial coefficient of proteins in aqueous salt solutions, the solubility of proteins in these solutions and the salt concentration is presented. The model ...