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Class 12 · Chemistry
→In a 2 molal solution, the mass of solvent is 250 g. How many moles of solute are present?
Class 11 · Chemistry
→How much sodium carbonate is needed for 1 L of a 0.1 mol L−1 solution if its molar mass is 106 g mol−1?
Class 12 · Chemistry
→100 mL of a 1.2 mol L−1 solution is diluted to 300 mL. What is the final molarity?
Class 12 · Chemistry
→0.30 mol solute is dissolved to make 600 mL solution. What is the molarity?
Class 12 · Chemistry
→How many moles of solute are present in 750 mL of a 0.4 mol L−1 solution?
Class 12 · Chemistry
→In a solution, the mole ratio of solute to solvent is 1:4. What is the mole fraction of solute?
Class 11 · Chemistry
→The mole fraction of solute is 0.25. If total moles are 8, how many moles of solute are present?
Class 11 · Chemistry
→What is the mass of solute in 500 mL of a 2% mass-by-volume solution?
Class 11 · Chemistry
→A 250 mL solution contains 7.5 g solute. What is the mass by volume percentage?
Class 11 · Chemistry
→30 mL acid is mixed with water to make 150 mL solution. What is the volume percentage of acid?
Class 11 · Chemistry
→What is the mass of solvent in 250 g of a 4 percent solution by mass?
Class 11 · Chemistry
→A solution has 10 g solute and 250 g solution. What is the mass percentage?
Class 12 · Chemistry
→To prepare a 0.4 molal glucose solution, 0.2 mol glucose should be dissolved in how many grams of water?
Class 12 · Chemistry
→11.7 g sodium chloride is dissolved in 400 g water. What is the molality of the solution?
Class 11 · Chemistry
→Consider two solutions: the first is 1 mol L−1 and the second is 1 mol kg−1. On what basis are they different?
Class 12 · Chemistry
→What is the mass of solute in 5 kg of solution having a concentration of 3 ppm?
Class 11 · Chemistry
→A solution contains 0.02 g solute in 400 g solution. What is its concentration in ppm?
Class 12 · Chemistry
→98 g sulphuric acid is dissolved to make 500 mL of solution. What is the molarity?
Class 12 · Chemistry
→How many moles of sulphuric acid are present in 250 mL of a 1 mol L⁻¹ sulphuric acid solution?
Class 12 · Chemistry
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