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Mole Concept Te...

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  • Question 1
    1 / -0

    The number of hydrogen molecules in 4.032 g is

  • Question 2
    1 / -0

    A solution is prepared by dissolving 2.6 g of H2SO4 in 40 g of water. Which of the following is the correct value of mole fraction of H2SO4?

  • Question 3
    1 / -0

    What is the mass in grams of 2.5 moles of slaked lime [Ca(OH)2]?
    (Atomic masses: Ca = 40 g, O = 16 g and H = 1 g)

  • Question 4
    1 / -0

    Calculate the volume occupied by 2.9 g of butane at STP.

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