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Mole Concept And Molar Mass

Class 11 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryA solution contains 50 mg solute and the mass of solution is 2 kg. What is the ppm?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 3EasyChemistryWhat is 0.075 percent expressed in ppm?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryWhat is 500 ppm expressed as mass percent?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryThe mole percent of solute in a solution is 35 percent. What is the mole fraction of solute?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryIn a binary solution, the mole fraction of solvent is 0.75 and moles of solute are 3. How many moles of solvent are present?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2MediumChemistryWhat is the approximate mole fraction of acid in a 36.5% by mass hydrochloric acid solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 6MediumChemistryThe mole fraction of solute in water is 0.1. What is the approximate molality of the solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 7HardChemistryA solution has mole fraction of solute 0.2 and the solvent is water. What is the approximate molality of the solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 7HardChemistryA glucose sample has a mass of 18 g and a molar mass of 180 g mol⁻¹. How many moles of glucose are present?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 5EasyChemistryHow many moles of solute are needed in 400 g solvent to make a 2.5 molal solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryHow many moles of solute are present in 100 mL of 0.1 molar solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2Easy