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  • Question 1
    4 / -1

    What is the mass percentage of carbon tetrachloride if 22g of benzene is dissolved in 122g of carbon tetrachloride?

  • Question 2
    4 / -1

    What is the mole fraction of glucose in 10% w/W glucose solution?

  • Question 3
    4 / -1

    Calculate the percentage composition of a solution obtained by mixing 200 g of a 20% and 300 g of a 30% solution by weight.

  • Question 4
    4 / -1

    When 1.04g of BaCl2 is present in 105g of solution, the concentration of solution is:

  • Question 5
    4 / -1

    What will be the mole fraction of ethanol in a sample of spirit containing 85% ethanol by mass?

  • Question 6
    4 / -1

    What is the molarity of a solution containing 10 g of NaOH in 500 mL of solution?

  • Question 7
    4 / -1

    What will be the molarity of 30mL of 0.5M H2SO4 ​solution diluted to 500mL?

  • Question 8
    4 / -1

    How many Na+ ions are present in 100 mL of 0.25 M of NaCl solution?

  • Question 9
    4 / -1

    How many grams of NaOH are present in 250 mL of 0.5 M NaOH solution?

  • Question 10
    4 / -1

    250mL  of sodium carbonate solution contains 2.65g of Na2CO3. If 10mL of this solution is diluted to 500mL, the concentration of the diluted acid will be

  • Question 11
    4 / -1

    The density of a solution prepared by dissolving 120g of urea (mol. mass = 60u) in 1000g of water is 1.15g/mL. The molarity of this solution is

  • Question 12
    4 / -1

    What will be the molality of a solution of glucose in water which is 10% w/W?

  • Question 13
    4 / -1

    The molality of 648 g of pure water is

  • Question 14
    4 / -1

    What is the mass of urea required for making 2.5 kg of 0.25 molal aqueous solution?

  • Question 15
    4 / -1

    Concentration terms like mass percentage, ppm, mole fraction and molality do not depend on temperature. However, molarity is a function of temperature because

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