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Mole Concept

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

ChemistryA solution contains 0.001 g solute per cubic centimetre. What is the mass by volume percent?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 3EasyChemistryAn aqueous solution has molality 5. What is the approximate mole fraction of solute?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 5MediumChemistry1 L water contains 0.05 g lead ions. Assuming a very dilute solution what is the concentration in ppm?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 3EasyChemistryA 3 molal glucose solution has density 1.15 g mL−1. What is its approximate molarity?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 6HardChemistryWhich option gives the most correct statement for mole fraction?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryA solution contains 0.6 mole solute and has molarity 2 M. What is the volume in mL?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryA solution contains 0.4 mole solute and has molarity 0.8 M. What is the volume of the solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryThe 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 5Easy