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Concentration 🧬

Quiz by minna wahid

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30 questions
Show answers
  • Q1
    What is the relationship between concentration and volume of solution?
    Concentration is directly proportional to the volume of solution, as increasing volume increases concentration.
    Concentration is always higher in larger volumes of solution.
    Concentration is not affected by the volume of solution.
    Concentration is inversely proportional to the volume of solution, as increasing volume dilutes the concentration.
    30s
  • Q2
    What does molarity represent in a solution?
    Molarity represents the color intensity of a solution.
    Molarity represents the number of moles of solute per liter of solution.
    Molarity represents the volume of solvent per mole of solute.
    Molarity represents the weight of the solute per liter of solvent.
    30s
  • Q3
    How does concentration relate to the amount of solute in a solution?
    Concentration is not affected by the amount of solute in a solution.
    Concentration is directly related to the amount of solute that dissolves in a given volume of solution.
    Concentration is only related to the volume of solvent in a solution.
    Concentration is inversely related to the amount of solute in a solution.
    30s
  • Q4
    What is the equation for calculating molarity?
    Molarity = Volume of solution in liters / Number of moles of solute
    Molarity = Number of moles of solute / Volume of solution in liters
    Molarity = Mass of solute / Volume of solution in deciliters
    Molarity = Volume of solution in deciliters / Mass of solute
    30s
  • Q5
    How can concentration be converted between grams per decimeter cube and moles per decimeter cube?
    Multiply by volume and divide by molecular weight
    Unit Conversion grams per decimeter cube Multiply by relative atomic mass or relative molecular mass moles per decimeter cube Divide by relative atomic mass or relative molecular mass
    Multiply by volume and divide by moles
    Multiply by molecular weight and divide by volume
    30s
  • Q6
    What is the formula for concentration?
    Concentration = Number of moles Volume of solution in decimeters cube
    Concentration = Mass in grams Volume in centimeters cube
    Concentration = Volume of solution in decimeters cube Number of moles
    Concentration = Mass in grams × 1 , 000 Volume in centimeters cube × Molecular mass
    30s
  • Q7
    What is the unit of concentration?
    molarity
    centimolarity
    millimolarity
    decimolarity
    30s
  • Q8
    What is the definition of concentration?
    Concentration is the color of a solution.
    Concentration is the amount of solute that dissolves in 1 deciliter cube of solution.
    Concentration is the weight of the solute in a solution.
    Concentration is the volume of solvent in a solution.
    30s
  • Q9
    How can concentration be calculated using the alternative formula?
    Concentration = Mass in grams × 1 , 000 Volume in centimeters cube × Molecular mass
    Concentration = Volume of solution in decimeters cube Number of moles
    Concentration = Number of moles Volume of solution in decimeters cube
    Concentration = Mass in grams Volume in centimeters cube
    30s
  • Q10
    What is the formula for calculating concentration in grams per decimeter cube?
    Concentration = Volume in decimeters cube / Mass in grams
    Concentration = Mass in grams / Volume in decimeters cube
    Concentration = Mass in grams * Volume in decimeters cube
    Concentration = Volume in decimeters cube + Mass in grams
    30s
  • Q11
    How is concentration commonly measured in a solution?
    Molarity
    Mass
    Density
    Volume
    30s
  • Q12
    What is the unit of concentration used in chemistry?
    Molarity
    Density
    Grams
    Liters
    30s
  • Q13
    When calculating concentration given the mass of a solute and the volume of the solution, which formula should be used?
    Concentration = Volume of solution in decimeters cube\/Number of moles
    Concentration = Mass in grams × 1 , 000\/Volume in decimeters cube × Molecular mass
    Concentration = Mass in grams × 1 , 000\/Volume in centimeters cube × Molecular mass
    Concentration = Number of moles\/Volume of solution in decimeters cube
    30s
  • Q14
    How can concentration be converted from grams per decimeter cube to moles per decimeter cube?
    Add the mass of solute to the volume of the solution
    Subtract the atomic number from the molecular mass
    Multiply by relative atomic mass or relative molecular mass
    Divide by relative atomic mass or relative molecular mass
    30s
  • Q15
    What is the definition of concentration?
    Concentration is the volume of the solution.
    Concentration is the temperature of the solution.
    Concentration is the color of the solution.
    Concentration is the amount of solute that dissolves in 1 deciliter cube of solution.
    30s

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