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Class 11 · Chemistry · Easy
→0.01 percent impurity is equal to how many ppm?
Class 12 · Chemistry · Easy
→If 1 kg water contains 3 mg fluoride, what is the approximate concentration in ppm?
Class 11 · Chemistry · Easy
→A water sample has 10 mg impurity in 1 kg water. Approximately what is the concentration in ppm?
Class 11 · Chemistry · Easy
→A 200 mL solution contains 6 g solute. What is the mass-volume percentage?
Class 11 · Chemistry · Easy
→A 600 mL solution contains 30 mL solute. What is the volume percentage?
Class 11 · Chemistry · Easy
→A 500 g solution contains 50 g solute. What is the mass percentage?
Class 11 · Chemistry · Easy
→A 250 g solution contains 25 g solute. What is the mass percentage?
Class 11 · Chemistry · Easy
→If the mole fraction of solute is 0.75, what is the mole fraction of solvent?
Class 11 · Chemistry · Easy
→The mole fraction of solute in a solution is 0.25. Write it as mole percent.
Class 11 · Chemistry · Easy
→A solution has 2 moles solute and 3 moles solvent. What is the mole fraction of solute?
Class 12 · Chemistry · Easy
→In a 1 m solution, if solvent is 0.5 kg, how many moles of solute are present?
Class 12 · Chemistry · Easy
→How many moles of solute are needed in 1 kg solvent to make a 2 m solution?
Class 11 · Chemistry · Easy
→0.4 mole solute is dissolved in 2 kg solvent. What is the molality?
Class 12 · Chemistry · Easy
→How many moles of solute are present in 500 mL of a 0.2 M solution?
Class 12 · Chemistry · Easy
→How many moles of solute are present in 250 mL of a 2 M solution?
Class 12 · Chemistry · Easy
→How many moles of solute are present in 2 L of a 0.5 M solution?
Class 12 · Chemistry · Easy
→In a school laboratory, what does writing 0.1 M solution mean?
Class 12 · Chemistry · Easy
→If 8 mL solute is used to make 400 mL solution, what is the volume percentage?
Class 12 · Chemistry · Easy
→If 4 g solute forms 200 g solution, what is the mass percentage?
Class 11 · Chemistry · Easy
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