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Class 11 · Chemistry
→If 0.01 mol of a solute has a mass of 1.8 g, what is its molar mass?
Class 11 · Chemistry
→If the amount of solute is 0.1 mol and its mass is 18 g, what is its molar mass?
Class 11 · Chemistry
→3 g of a solute is 0.03 mol. What is its molar mass?
Class 11 · Chemistry
→If CH₃COOH associates in benzene, what is the usual value of the van’t Hoff factor i?
Class 11 · Chemistry
→If 0.2 mol of solute is dissolved in 500 g of solvent, what is the molality?
Class 11 · Chemistry
→A solution has 25 mass percent solute. Molar mass of solute is 50 g mol−1 and that of solvent is 18 g mol−1. What is the approximate mole fraction of solute?
Class 11 · Chemistry
→A solution has solute mole fraction 0.25. If molar masses of solute and solvent are 60 g mol−1 and 18 g mol−1 respectively, what is the approximate mass percentage of solute?
Class 11 · Chemistry
→20 g solute is dissolved in 180 g water. What are the mass percentages of solute and solvent respectively?
Class 11 · Chemistry
→The mole fraction of water in a solution is 0.9. If moles of water are 9, how many moles of solute are present?
Class 11 · Chemistry
→Why is the mole fraction of solute in a 1 molal aqueous solution around 0.0177?
Class 11 · Chemistry
→500 mL of a solution contains 0.2 mol solute. What is the molarity?
Class 11 · Chemistry
→How many moles of solute are present in 400 mL of 0.25 M solution?
Class 11 · Chemistry
→In an aqueous solution the mole fraction of solute is 0.01. What is the approximate molality?
Class 11 · Chemistry
→A 60 percent by mass aqueous ammonia solution is given. What is the approximate mole fraction of ammonia?
Class 11 · Chemistry
→A solution has 40 percent solute by mass. The molar mass of solute is 80 and solvent is water. What is the approximate mole fraction of solute?
Class 11 · Chemistry
→A solution has 10 percent solute by mass and total mass 500 g. What is the mass ratio of solute to solvent?
Class 11 · Chemistry
→A solution has molality 2. If the mass of solvent is 250 g what are the moles of solute?
Class 11 · Chemistry
→If the mole fraction of solute in a solution is 0.4 what is the mole ratio of solute to solvent?
Class 11 · Chemistry
→In a solution the mole ratio of solute to solvent is 2 to 3. What is the mole fraction of solute?
Class 11 · Chemistry
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