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Moles

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

Chemistry32 g methanol is mixed with 84 g water. Molar masses are 32 and 18 g mol−1, respectively. What is the approximate mole fraction of methanol?Class 11Chapter 01: SolutionsLevel 7MediumChemistryHow many moles of solute are present in 200 mL of a 1 M solution?Class 11Chapter 01: SolutionsLevel 4EasyChemistryHow many moles of solute are present in 2 litres of 0.05 molar solution?Class 11Chapter 01: SolutionsLevel 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 2EasyChemistryIf mole fraction of solute is 0.4 and total moles are 5, how many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryIf molality is 0.5 mol/kg and the solvent mass is 2 kg, how many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryIf molarity is 0.25 M and volume is 2 L, how many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryHow many moles of solute are present in 250 mL of a 2 M solution?Class 11Chapter 01: SolutionsLevel 3Easy