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Class 12 · Chemistry
→If a 100 mL portion is taken from 1 litre of 0.5 molar solution, what is the molarity of the taken portion?
Class 11 · Chemistry
→Which option gives the correct way to increase molarity if volume remains same?
Class 12 · Chemistry
→Which option gives the correct way to decrease molarity?
Class 12 · Chemistry
→If a 2 molal solution contains 0.5 mole solute, what is the mass of solvent?
Class 11 · Chemistry
→How many moles of solute are needed in 400 g solvent to make a 2.5 molal solution?
Class 11 · Chemistry
→What total volume is needed to prepare a 1.5 molar solution using 0.75 mole solute?
Class 11 · Chemistry
→How many moles of solute are present in 2 litres of 0.05 molar solution?
Class 12 · Chemistry
→If the mole fraction of solvent in a binary solution is 0.85, what is the mole fraction of solute?
Class 11 · Chemistry
→If there are 1.5 moles solute and 3.5 moles solvent, what is the mole fraction of solute?
Class 12 · Chemistry
→25 mg solute is present in 5 kg water. What is the concentration in parts per million?
Class 12 · Chemistry
→6 g solute is used to make 300 mL solution. What is the mass-volume percentage?
Class 12 · Chemistry
→30 mL solute is used to prepare 150 mL solution. What is the volume percentage?
Class 12 · Chemistry
→What is the mass of solvent in 250 g of a 12 percent by mass solution?
Class 12 · Chemistry
→What is the mass of solute in 300 g of a 15 percent by mass solution?
Class 11 · Chemistry
→In a 3 molal solution, how many moles of solute are needed for 500 g solvent?
Class 11 · Chemistry
→How many moles of solute are required to make a 0.5 molal solution using 250 g water?
Class 11 · Chemistry
→What is the mass of solute in 500 mL of 0.2 molar solution if molar mass is 40 g per mole?
Class 12 · Chemistry
→To make 100 mL of 0.4 molar solution into 0.1 molar, what should be the final volume?
Class 12 · Chemistry
→If 250 mL of 1.2 molar solution is diluted to 600 mL, what is the final molarity?
Class 12 · Chemistry
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