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Class 11 · Chemistry
→What is the mole fraction of ethanol in a mixture of 9 g water and 46 g ethanol?
Class 11 · Chemistry
→10 g sodium hydroxide is dissolved in 250 mL solution. Molar mass is 40 g per mole. What is the molarity?
Class 11 · Chemistry
→12 g urea is dissolved in 200 g water. Molar mass of urea is 60 g per mole. What is the molality?
Class 11 · Chemistry
→36 g glucose is dissolved in water to make 400 mL solution. Molar mass of glucose is 180 g per mole. What is the molarity?
Class 12 · Chemistry
→Which option correctly means a 5 percent volume by volume solution?
Class 12 · Chemistry
→Which option gives the correct meaning of parts per million?
Class 11 · Chemistry
→Which concentration term involves formula units per litre of solution?
Class 12 · Chemistry
→What is the normality of 0.5 molar hydrochloric acid solution?
Class 12 · Chemistry
→What can be the normality of 1 molar sulphuric acid solution in an acid-base reaction?
Class 11 · Chemistry
→Which option can correctly represent the relation between normality and molarity?
Class 11 · Chemistry
→8 g sodium hydroxide is dissolved in 200 mL solution. Molar mass is 40 g per mole. What is the molarity?
Class 12 · Chemistry
→What should be the final volume to make a 0.2 molar solution from 100 mL of 1 molar solution?
Class 12 · Chemistry
→If 250 mL of 0.2 molar solution is diluted to 500 mL, what is the final molarity?
Class 11 · Chemistry
→0.25 mole solute is present in 500 g solvent. What is the molality?
Class 11 · Chemistry
→How many moles of solute are present in 100 mL of 0.1 molar solution?
Class 11 · Chemistry
→If molarity and molality can have nearly the same value, when is it approximately possible?
Class 11 · Chemistry
→If mole fraction of solute is 0.4 and total moles are 5, how many moles of solute are present?
Class 12 · Chemistry
→10 mg solute is present in 2 kg water. What is the concentration in parts per million?
Class 12 · Chemistry
→Which option gives the correct meaning of volume percentage?
Class 11 · Chemistry
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